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  • United States  (824)
  • Protein Structure, Secondary  (270)
  • Geochemistry, Geophysics
  • American Association for the Advancement of Science (AAAS)  (1,190)
  • 2015-2019  (265)
  • 1995-1999  (925)
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  • 1
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    Structural basis of plasticity in T cell receptor recognition of a self peptide-MHC antigen (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: The T cell receptor (TCR) inherently has dual specificity. T cells must recognize self-antigens in the thymus during maturation and then discriminate between foreign pathogens in the periphery. A molecular basis for this cross-reactivity is elucidated by the crystal structure of the alloreactive 2C TCR bound to self peptide-major histocompatibility complex (pMHC) antigen H-2Kb-dEV8 refined against anisotropic 3.0 angstrom resolution x-ray data. The interface between peptide and TCR exhibits extremely poor shape complementarity, and the TCR beta chain complementarity-determining region 3 (CDR3) has minimal interaction with the dEV8 peptide. Large conformational changes in three of the TCR CDR loops are induced upon binding, providing a mechanism of structural plasticity to accommodate a variety of different peptide antigens. Extensive TCR interaction with the pMHC alpha helices suggests a generalized orientation that is mediated by the Valpha domain of the TCR and rationalizes how TCRs can effectively "scan" different peptides bound within a large, low-affinity MHC structural framework for those that provide the slight additional kinetic stabilization required for signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garcia, K C -- Degano, M -- Pease, L R -- Huang, M -- Peterson, P A -- Teyton, L -- Wilson, I A -- AI42266/AI/NIAID NIH HHS/ -- AI42267/AI/NIAID NIH HHS/ -- R01 CA58896/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1998 Feb 20;279(5354):1166-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and the Skaggs Institute of Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9469799" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crystallization ; Crystallography, X-Ray ; H-2 Antigens/*chemistry/*immunology/metabolism ; Ligands ; Mice ; Mice, Transgenic ; Models, Molecular ; Mutation ; Oligopeptides/*chemistry/immunology/metabolism ; Protein Conformation ; Protein Structure, Secondary ; Receptors, Antigen, T-Cell, alpha-beta/*chemistry/*immunology/metabolism ; Recombinant Proteins
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    New potential for human embryonic stem cells (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gearhart, J -- New York, N.Y. -- Science. 1998 Nov 6;282(5391):1061-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Gynecology and Obstetrics, Johns Hopkins Medicine, Baltimore, MD 21287, USA. gearhart@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841453" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/*cytology ; *Cell Culture Techniques ; Cell Differentiation ; *Cell Line ; Cell Lineage ; *Embryo Research ; Embryo, Mammalian/*cytology ; Federal Government ; Germ Cells/*cytology ; Government Regulation ; Guidelines as Topic ; Humans ; Major Histocompatibility Complex ; Mice ; Research Support as Topic ; Risk Assessment ; Stem Cell Transplantation ; Stem Cells/*cytology ; Transplantation Immunology ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Lead regulation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldman, L R -- New York, N.Y. -- Science. 1998 Dec 4;282(5395):1825-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9874633" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Environmental Exposure ; Environmental Pollutants/adverse effects ; Government Agencies ; Humans ; Lead/adverse effects ; Lead Poisoning/*prevention & control ; United States ; United States Environmental Protection Agency
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Structure of the Escherichia coli RNA polymerase alpha subunit amino-terminal domain (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-10
    Description: The 2.5 angstrom resolution x-ray crystal structure of the Escherichia coli RNA polymerase (RNAP) alpha subunit amino-terminal domain (alphaNTD), which is necessary and sufficient to dimerize and assemble the other RNAP subunits into a transcriptionally active enzyme and contains all of the sequence elements conserved among eukaryotic alpha homologs, has been determined. The alphaNTD monomer comprises two distinct, flexibly linked domains, only one of which participates in the dimer interface. In the alphaNTD dimer, a pair of helices from one monomer interact with the cognate helices of the other to form an extensive hydrophobic core. All of the determinants for interactions with the other RNAP subunits lie on one face of the alphaNTD dimer. Sequence alignments, combined with secondary-structure predictions, support proposals that a heterodimer of the eukaryotic RNAP subunits related to Saccharomyces cerevisiae Rpb3 and Rpb11 plays the role of the alphaNTD dimer in prokaryotic RNAP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, G -- Darst, S A -- GM19441-01/GM/NIGMS NIH HHS/ -- GM53759/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jul 10;281(5374):262-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9657722" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Crystallography, X-Ray ; DNA-Directed RNA Polymerases/*chemistry ; Dimerization ; Escherichia coli/*enzymology ; Models, Molecular ; Molecular Sequence Data ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; RNA Polymerase II/chemistry ; *Saccharomyces cerevisiae Proteins ; Sequence Alignment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Methylmercury risks (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldman, L R -- Farland, W H -- New York, N.Y. -- Science. 1998 Jan 30;279(5351):640-1; author reply 641.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9471723" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Fishes ; *Food Contamination ; Humans ; Maximum Allowable Concentration ; Methylmercury Compounds/*adverse effects ; *Nutrition Policy ; Risk Assessment ; United States ; United States Environmental Protection Agency
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Freedom of information requests (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gough, M -- New York, N.Y. -- Science. 1998 Dec 4;282(5395):1823.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9874631" target="_blank"〉PubMed〈/a〉
    Keywords: 2,4,5-Trichlorophenoxyacetic Acid/adverse effects ; 2,4-Dichlorophenoxyacetic Acid/adverse effects ; Confidentiality/*legislation & jurisprudence ; Defoliants, Chemical ; Financing, Government ; Humans ; *Public Policy ; Research/*legislation & jurisprudence ; *Research Support as Topic ; Tetrachlorodibenzodioxin/adverse effects ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Outcomes research: measuring the end results of health care (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clancy, C M -- Eisenberg, J M -- New York, N.Y. -- Science. 1998 Oct 9;282(5387):245-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Outcomes and Effectiveness Research, U.S. Department of Health and Human Services, Rockville, MD 20852, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841388" target="_blank"〉PubMed〈/a〉
    Keywords: Activities of Daily Living ; Health Status ; Humans ; *Outcome Assessment (Health Care)/trends ; Patient Satisfaction ; Quality of Life ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Inner workings of a transcription factor partnership (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graves, B J -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):1000-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Huntsman Cancer Institute, Department of Oncological Sciences, University of Utah, Salt Lake City, UT 84132, USA. graves@bioscience.utah.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9490475" target="_blank"〉PubMed〈/a〉
    Keywords: Ankyrins/chemistry ; Base Sequence ; Binding Sites ; DNA/chemistry/*metabolism ; DNA-Binding Proteins/*chemistry/*metabolism ; Dimerization ; GA-Binding Protein Transcription Factor ; Hydrogen Bonding ; Leucine Zippers ; Models, Molecular ; Protein Conformation ; Protein Structure, Secondary ; Transcription Factors/*chemistry/*metabolism ; Transcriptional Activation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    AIDS office head picked (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1998 May 22;280(5367):1181.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634393" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/history ; History, 20th Century ; National Institutes of Health (U.S.)/history/*organization & administration ; Research/history/*organization & administration ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Ames tackles the riddle of life (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1840-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537898" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; *Exobiology/economics/organization & administration ; *Origin of Life ; Research Support as Topic ; United States ; *United States National Aeronautics and Space ; Administration/economics/organization & administration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    Science catches Clinton's eye (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1998 Feb 6;279(5352):794-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9480546" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; Financing, Government ; Government Agencies/*economics ; National Institutes of Health (U.S.)/*economics ; *Research Support as Topic ; Tobacco Industry ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
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    Tobacco: who pays whom? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gori, G B -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1805-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9776683" target="_blank"〉PubMed〈/a〉
    Keywords: *Conflict of Interest ; Humans ; Lung Neoplasms/etiology ; *Tobacco Industry ; Tobacco Smoke Pollution/*adverse effects ; United States ; *United States Environmental Protection Agency
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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    Taiwan trolls for U.S. firms to help it create an industry (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1998 May 22;280(5367):1190.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634398" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*economics ; *Commerce ; International Cooperation ; *Investments ; Taiwan ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    FDA scientists resist cuts in in-house research positions (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):976-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9490483" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Products ; Biotechnology ; Drug Approval ; Drug Industry ; *Research ; *Research Personnel ; Research Support as Topic ; United States ; United States Food and Drug Administration/*organization & administration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    AIDS vaccine development (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agosto, M -- Allan, J -- Benson, C -- Berger, E A -- Blumenthal, R -- Burton, D -- Clements, J -- Coffin, J -- Connor, R -- Cullen, B -- Desrosiers, R -- Dimitrov, D -- Doms, R -- Emerman, M -- Feinberg, M -- Fultz, P -- Gerard, C -- Gonsalves, G -- Haase, A -- Haigwood, N -- Hirsch, V -- Ho, D -- Hoxie, J A -- Hu, S L -- Zingale, D -- New York, N.Y. -- Science. 1998 May 8;280(5365):803, 804-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9599148" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines/immunology ; Acquired Immunodeficiency Syndrome/prevention & control ; *Clinical Trials as Topic ; HIV Envelope Protein gp120/immunology ; HIV-1/immunology ; Humans ; National Institutes of Health (U.S.) ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    A bonanza for plant genomics (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):652-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841420" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics ; Budgets ; Crops, Agricultural/*genetics ; DNA Transposable Elements ; Financing, Government ; Gene Expression Regulation, Plant ; *Genome, Plant ; International Cooperation ; Mutagenesis, Insertional ; Oryza/genetics ; *Physical Chromosome Mapping/economics ; *Research Support as Topic ; *Sequence Analysis, DNA/economics ; United States ; Zea mays/*genetics
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Specific covalent labeling of recombinant protein molecules inside live cells (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-10
    Description: Recombinant proteins containing four cysteines at the i, i + 1, i + 4, and i + 5 positions of an alpha helix were fluorescently labeled in living cells by extracellular administration of 4',5'-bis(1,3, 2-dithioarsolan-2-yl)fluorescein. This designed small ligand is membrane-permeant and nonfluorescent until it binds with high affinity and specificity to the tetracysteine domain. Such in situ labeling adds much less mass than does green fluorescent protein and offers greater versatility in attachment sites as well as potential spectroscopic and chemical properties. This system provides a recipe for slightly modifying a target protein so that it can be singled out from the many other proteins inside live cells and fluorescently stained by small nonfluorescent dye molecules added from outside the cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Griffin, B A -- Adams, S R -- Tsien, R Y -- NS27177/NS/NINDS NIH HHS/ -- T32 CA09523/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1998 Jul 10;281(5374):269-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0647, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9657724" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calmodulin/chemistry/genetics/metabolism ; Cell Membrane Permeability ; Cell Survival ; Cysteine/*chemistry ; Energy Transfer ; Ethylene Glycol ; Fluoresceins/chemical synthesis/chemistry/*metabolism ; Fluorescence ; *Fluorescent Dyes ; Green Fluorescent Proteins ; HeLa Cells ; Humans ; Jurkat Cells ; Ligands ; Luminescent Proteins/chemistry/genetics/metabolism ; Molecular Sequence Data ; Organometallic Compounds/chemical synthesis/chemistry/*metabolism ; Peptides/chemistry/*metabolism ; Protein Structure, Secondary ; Recombinant Proteins/chemistry/*metabolism ; Spectrometry, Fluorescence ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Mercury in fish (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clarkson, T -- Cox, C -- Davidson, P W -- Myers, G J -- New York, N.Y. -- Science. 1998 Jan 23;279(5350):459, 461.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9454336" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Child ; *Fishes ; *Food Contamination ; Humans ; Iraq ; Maximum Allowable Concentration ; Methylmercury Compounds/administration & dosage/*adverse effects/analysis ; *Nutrition Policy ; Seychelles ; United States ; United States Environmental Protection Agency ; World Health Organization
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    A model for the mechanism of human topoisomerase I (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: The three-dimensional structure of a 70-kilodalton amino terminally truncated form of human topoisomerase I in complex with a 22-base pair duplex oligonucleotide, determined to a resolution of 2.8 angstroms, reveals all of the structural elements of the enzyme that contact DNA. The linker region that connects the central core of the enzyme to the carboxyl-terminal domain assumes a coiled-coil configuration and protrudes away from the remainder of the enzyme. The positively charged DNA-proximal surface of the linker makes only a few contacts with the DNA downstream of the cleavage site. In combination with the crystal structures of the reconstituted human topoisomerase I before and after DNA cleavage, this information suggests which amino acid residues are involved in catalyzing phosphodiester bond breakage and religation. The structures also lead to the proposal that the topoisomerization step occurs by a mechanism termed "controlled rotation."〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stewart, L -- Redinbo, M R -- Qiu, X -- Hol, W G -- Champoux, J J -- CA65656/CA/NCI NIH HHS/ -- GM16713/GM/NIGMS NIH HHS/ -- GM49156/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Mar 6;279(5356):1534-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biomolecular Structure Center and Department of Biological Structure, School of Medicine, University of Washington, Seattle, WA 98195-7742, USA. emerald_biostructures@rocketmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9488652" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arginine/chemistry/metabolism ; Binding Sites ; Catalysis ; Crystallography, X-Ray ; DNA/chemistry/*metabolism ; DNA Topoisomerases, Type I/*chemistry/*metabolism ; Humans ; Hydrogen Bonding ; *Models, Chemical ; Models, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; Oligodeoxyribonucleotides/chemistry/metabolism ; *Protein Conformation ; Protein Structure, Secondary ; Tyrosine/chemistry/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Bailout for drug research institute (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, R -- New York, N.Y. -- Science. 1998 Apr 17;280(5362):372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9575079" target="_blank"〉PubMed〈/a〉
    Keywords: *Academies and Institutes/economics/organization & administration ; *Drug Industry/economics ; Hungary ; *Pharmaceutical Preparations ; United States
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    Lawsuit targets Yellowstone bug deal (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Mar 13;279(5357):1624.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9518372" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*legislation & jurisprudence ; Conservation of Natural Resources/*legislation & jurisprudence ; Northwestern United States ; Public Policy ; Technology Transfer ; United States ; United States Environmental Protection Agency
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    How chromatin changes its shape (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hagmann, M -- New York, N.Y. -- Science. 1999 Aug 20;285(5431):1200-1, 1203.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10484727" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Acetyltransferases/chemistry/metabolism ; Animals ; Cell Cycle Proteins/chemistry/metabolism ; Chromatin/chemistry/*metabolism/*ultrastructure ; *Gene Expression Regulation ; Histone Acetyltransferases ; Histones/*metabolism ; Methylation ; *Mitosis ; Phosphorylation ; Protein Structure, Secondary ; Protein-Arginine N-Methyltransferases/metabolism ; Transcription Factors ; p300-CBP Transcription Factors
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    Postdoctoral patterns, career advancement, and problems (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-08
    Description: Postdoctoral appointments can have different functions and meanings, depending on the field and whether the postdoc is a man or a woman. The Ph.D.'s-Ten Years Later study confirmed that in biochemistry, the postdoc, not the Ph.D., has become the general proving ground for excellence both in academia and industry. Because they spent a longer time in these "mandatory" postdocs, biochemists had the largest proportion of untenured faculty 10 to 13 years after the Ph. D. In mathematics, where substantially fewer postdoctoral positions are available, Ph.D.'s taking postdocs are more likely to obtain faculty positions, but this is true only for men. University administrators should be accountable for monitoring the total time spent in these positions and should provide administrative assistance for skills training, career growth, and the job search. In addition, creative solutions concerning the dual-career couple phenomenon are necessary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nerad, M -- Cerny, J -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1533-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate Division, University of California, Berkeley, 424 Sproul Hall, Berkeley, CA 94720-5900, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10477510" target="_blank"〉PubMed〈/a〉
    Keywords: *Biochemistry/education ; *Career Mobility ; *Education, Graduate ; Employment ; Faculty ; *Fellowships and Scholarships ; Female ; Humans ; Male ; *Mathematics ; Salaries and Fringe Benefits ; Societies, Scientific ; Time Factors ; United States ; Universities
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    A call for more science in EPA regulations (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Madia, W J -- New York, N.Y. -- Science. 1998 Oct 2;282(5386):45.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9786793" target="_blank"〉PubMed〈/a〉
    Keywords: Chlorine ; *Environmental Pollutants ; Government Agencies ; National Institutes of Health (U.S.) ; *Research ; United States ; United States Environmental Protection Agency/*legislation & jurisprudence ; Water Supply
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    Beefed-up NIH center probes unconventional therapies (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, J -- New York, N.Y. -- Science. 1998 Dec 18;282(5397):2175-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9890822" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Cartilage ; *Complementary Therapies/economics/organization & administration ; Controlled Clinical Trials as Topic ; Humans ; Lung Neoplasms/therapy ; National Institutes of Health (U.S.)/economics/*organization & administration ; Research Support as Topic ; Tissue Extracts/therapeutic use ; United States
    Print ISSN: 0036-8075
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    The man who would spin genes into gold (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, I -- New York, N.Y. -- Science. 1999 Aug 13;285(5430):999.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10475850" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/history ; Genetics, Medical/history ; Genome, Human ; History, 20th Century ; Humans ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Taking a structured approach to understanding proteins (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):978-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9490484" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Crystallography, X-Ray ; Databases, Factual ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Proteins/*chemistry/classification/genetics ; Software
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    Structure of key cytoskeletal protein tubulin revealed (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Jan 9;279(5348):176-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9446222" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*chemistry ; Binding Sites ; Cell Division ; Crystallization ; Crystallography/*methods ; Crystallography, X-Ray ; *Cytoskeletal Proteins ; GTP-Binding Proteins/chemistry ; Guanosine Triphosphate/metabolism ; Microtubules/chemistry ; Models, Molecular ; *Protein Conformation ; Protein Structure, Secondary ; Tubulin/*chemistry
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    Redesigning enzyme topology by directed evolution (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: Genetic selection was exploited in combination with structure-based design to transform an intimately entwined, dimeric chorismate mutase into a monomeric, four-helix-bundle protein with near native activity. Successful reengineering depended on choosing a thermostable starting protein, introducing point mutations that preferentially destabilize the wild-type dimer, and using directed evolution to optimize an inserted interhelical turn. Contrary to expectations based on studies of other four-helix-bundle proteins, only a small fraction of possible turn sequences (fewer than 0.05 percent) yielded well-behaved, monomeric, and highly active enzymes. Selection for catalytic function thus provides an efficient yet stringent method for rapidly assessing correctly folded polypeptides and may prove generally useful for protein design.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacBeath, G -- Kast, P -- Hilvert, D -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1958-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Scripps Research Institute, Department of Chemistry, 10550 North Torrey Pines Road, La Jolla, California, 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9506949" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Catalysis ; Chorismate Mutase/*chemistry/genetics/*metabolism ; Circular Dichroism ; Cloning, Molecular ; Dimerization ; *Directed Molecular Evolution ; Escherichia coli/genetics ; Models, Molecular ; Molecular Sequence Data ; *Protein Conformation ; *Protein Engineering ; Protein Folding ; Protein Structure, Secondary ; Recombinant Proteins/chemistry/metabolism ; Transformation, Bacterial
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    Need for neutron diffraction instruments (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langan, P -- Schoenborn, B P -- New York, N.Y. -- Science. 1999 Nov 5;286(5442):1089.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610521" target="_blank"〉PubMed〈/a〉
    Keywords: Crystallography/*instrumentation ; *Neutrons ; Proteins/*chemistry ; United States
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    A record grant for college programs (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, J -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1779.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9776674" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/*economics ; Biology/*education ; *Training Support ; United States ; Universities/*economics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Drug development in space? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Laver, W G -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2089.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10409063" target="_blank"〉PubMed〈/a〉
    Keywords: Crystallization ; Neuraminidase/*chemistry ; *Space Flight ; *Spacecraft ; United States ; United States National Aeronautics and Space Administration ; *Weightlessness
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    Crystal structure of invasin: a bacterial integrin-binding protein (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: The Yersinia pseudotuberculosis invasin protein promotes bacterial entry by binding to host cell integrins with higher affinity than natural substrates such as fibronectin. The 2.3 angstrom crystal structure of the invasin extracellular region reveals five domains that form a 180 angstrom rod with structural similarities to tandem fibronectin type III domains. The integrin-binding surfaces of invasin and fibronectin include similarly located key residues, but in the context of different folds and surface shapes. The structures of invasin and fibronectin provide an example of convergent evolution, in which invasin presents an optimized surface for integrin binding, in comparison with host substrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamburger, Z A -- Brown, M S -- Isberg, R R -- Bjorkman, P J -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):291-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 156-29, Howard Hughes Medical Institute, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10514372" target="_blank"〉PubMed〈/a〉
    Keywords: *Adhesins, Bacterial ; Amino Acid Sequence ; Bacterial Proteins/*chemistry/metabolism ; Binding Sites ; Crystallography, X-Ray ; Evolution, Molecular ; Fibronectins/chemistry/metabolism ; Hydrogen Bonding ; Integrins/*metabolism ; Ligands ; Models, Molecular ; Protein Binding ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Yersinia pseudotuberculosis/*chemistry/metabolism
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    From mice to maize (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, C -- Erbisch, F -- New York, N.Y. -- Science. 1999 Jan 1;283(5398):33-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9917260" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biotechnology ; Mice ; Mice, Transgenic ; *Patents as Topic ; Plants, Genetically Modified/*genetics ; United States
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    Ethical dilemmas and stem cell research (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shapiro, H T -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2065.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523197" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; *Bioethical Issues ; Embryo Research ; Embryo, Mammalian/*cytology ; Ethics Committees ; Financing, Government ; Government Regulation ; Humans ; Private Sector ; *Public Policy ; Research/*standards ; Research Support as Topic ; *Stem Cells ; United States
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    Gertrude Belle Elion (1918-1999) (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colvin, M -- New York, N.Y. -- Science. 1999 May 28;284(5419):1480.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Duke Comprehensive Cancer Center, Durham, NC 27710, USA. colvi003@mc.duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383327" target="_blank"〉PubMed〈/a〉
    Keywords: Chemistry, Pharmaceutical/history ; Drug Design ; History, 20th Century ; Nobel Prize ; United States
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    Visualization of dioxygen bound to copper during enzyme catalysis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: X-ray crystal structures of three species related to the oxidative half of the reaction of the copper-containing quinoprotein amine oxidase from Escherichia coli have been determined. Crystals were freeze-trapped either anaerobically or aerobically after exposure to substrate, and structures were determined to resolutions between 2.1 and 2.4 angstroms. The oxidation state of the quinone cofactor was investigated by single-crystal spectrophotometry. The structures reveal the site of bound dioxygen and the proton transfer pathways involved in oxygen reduction. The quinone cofactor is regenerated from the iminoquinone intermediate by hydrolysis involving Asp383, the catalytic base in the reductive half-reaction. Product aldehyde inhibits the hydrolysis, making release of product the rate-determining step of the reaction in the crystal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilmot, C M -- Hajdu, J -- McPherson, M J -- Knowles, P F -- Phillips, S E -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1724-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Astbury Centre for Structural Molecular Biology, School of Biochemistry and Molecular Biology, University of Leeds, Leeds LS2 9JT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576737" target="_blank"〉PubMed〈/a〉
    Keywords: Aerobiosis ; Amine Oxidase (Copper-Containing)/*chemistry/*metabolism ; Anaerobiosis ; Aspartic Acid/chemistry/metabolism ; Binding Sites ; Catalysis ; Copper/*metabolism ; Crystallography, X-Ray ; Dihydroxyphenylalanine/*analogs & derivatives/chemistry/metabolism ; Dimerization ; Electrons ; Escherichia coli/enzymology ; Hydrogen Bonding ; Nitric Oxide/metabolism ; Oxidation-Reduction ; Oxygen/*metabolism ; Phenethylamines/metabolism ; Protein Conformation ; Protein Structure, Secondary ; Protons ; Spectrum Analysis
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    Uncontrolled release of harmful microorganisms (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Av-Gay, Y -- New York, N.Y. -- Science. 1999 Jun 4;284(5420):1621.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383337" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*genetics/pathogenicity ; *Biotechnology ; *Containment of Biohazards ; Ecosystem ; *Genetic Engineering ; Guidelines as Topic ; Humans ; United States ; Viruses/*genetics/pathogenicity
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Perspectives: protein structure. Class-conscious TCR? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, I A -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1867-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. wilson@scripps.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610577" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens/*chemistry/immunology/metabolism ; Binding Sites ; CD4-Positive T-Lymphocytes/immunology/metabolism ; CD8-Positive T-Lymphocytes/immunology/metabolism ; Crystallography, X-Ray ; Histocompatibility Antigens Class I/chemistry/immunology/metabolism ; Histocompatibility Antigens Class II/*chemistry/immunology/metabolism ; Mice ; Models, Molecular ; Peptides/chemistry/immunology/metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Secondary ; Receptors, Antigen, T-Cell, alpha-beta/*chemistry/immunology/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Nutraceuticals (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Curry, M -- Hazard-Daniel, A -- Daniel, H J -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1854-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610573" target="_blank"〉PubMed〈/a〉
    Keywords: *Dietary Supplements/adverse effects ; Drug Prescriptions ; Drug-Related Side Effects and Adverse Reactions ; *Legislation, Drug ; *Legislation, Food ; United States ; United States Food and Drug Administration
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Chaperonin function: folding by forced unfolding (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-30
    Description: The ability of the GroEL chaperonin to unfold a protein trapped in a misfolded condition was detected and studied by hydrogen exchange. The GroEL-induced unfolding of its substrate protein is only partial, requires the complete chaperonin system, and is accomplished within the 13 seconds required for a single system turnover. The binding of nucleoside triphosphate provides the energy for a single unfolding event; multiple turnovers require adenosine triphosphate hydrolysis. The substrate protein is released on each turnover even if it has not yet refolded to the native state. These results suggest that GroEL helps partly folded but blocked proteins to fold by causing them first to partially unfold. The structure of GroEL seems well suited to generate the nonspecific mechanical stretching force required for forceful protein unfolding.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3427652/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3427652/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shtilerman, M -- Lorimer, G H -- Englander, S W -- GM31847/GM/NIGMS NIH HHS/ -- R01 GM031847/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):822-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Johnson Research Foundation, Department of Biochemistry and Biophysics, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10221918" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Adenylyl Imidodiphosphate/metabolism ; Binding Sites ; Chaperonin 10/chemistry/metabolism/physiology ; Chaperonin 60/chemistry/metabolism/*physiology ; Hydrogen/chemistry/metabolism ; Models, Molecular ; Protein Binding ; Protein Conformation ; *Protein Folding ; Protein Structure, Secondary ; Ribulose-Bisphosphate Carboxylase/*chemistry/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    NIH scientist to head IVI institute in Korea (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, M -- New York, N.Y. -- Science. 1999 Apr 16;284(5413):410.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10232978" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/*organization & administration ; Developing Countries ; History, 20th Century ; *Immunization Programs ; Korea ; United Nations ; United States ; *Vaccines ; World Health Organization
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Respiration without O2 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hederstedt, L -- New York, N.Y. -- Science. 1999 Jun 18;284(5422):1941-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Lund University, Lund, Sweden. Lars.Hederstedt@mikrbiol.lu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10400536" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Bacillus subtilis/enzymology ; Binding Sites ; Cell Membrane/enzymology ; Crystallography, X-Ray ; Dimerization ; Electron Transport ; *Energy Metabolism ; Escherichia coli/*enzymology ; Evolution, Molecular ; Fumarates/metabolism ; Mitochondria/enzymology ; Oxidation-Reduction ; Oxygen Consumption ; Protein Conformation ; Protein Structure, Secondary ; Succinate Dehydrogenase/*chemistry/*metabolism ; Succinic Acid/metabolism
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    A piston model for transmembrane signaling of the aspartate receptor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-11
    Description: To characterize the mechanism by which receptors propagate conformational changes across membranes, nitroxide spin labels were attached at strategic positions in the bacterial aspartate receptor. By collecting the electron paramagnetic resonance spectra of these labeled receptors in the presence and absence of the ligand aspartate, ligand binding was shown to generate an approximately 1 angstrom intrasubunit piston-type movement of one transmembrane helix downward relative to the other transmembrane helix. The receptor-associated phosphorylation cascade proteins CheA and CheW did not alter the ligand-induced movement. Because the piston movement is very small, the ability of receptors to produce large outcomes in response to stimuli is caused by the ability of the receptor-coupled enzymes to detect small changes in the conformation of the receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ottemann, K M -- Xiao, W -- Shin, Y K -- Koshland, D E Jr -- DK09765/DK/NIDDK NIH HHS/ -- GM51290/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1751-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology and Department of Chemistry, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10481014" target="_blank"〉PubMed〈/a〉
    Keywords: Aspartic Acid/*metabolism ; Bacterial Proteins/metabolism ; Cell Membrane/*metabolism ; Chemotaxis ; Dimerization ; Electron Spin Resonance Spectroscopy ; Escherichia coli/metabolism ; *Escherichia coli Proteins ; Fourier Analysis ; Ligands ; Lipid Bilayers ; Membrane Proteins/metabolism ; Methylation ; *Models, Biological ; Mutagenesis ; Phosphorylation ; Protein Conformation ; Protein Kinases/metabolism ; Protein Structure, Secondary ; Receptors, Amino Acid/*chemistry/genetics/*metabolism ; *Signal Transduction ; Spin Labels
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    Insights into editing from an ile-tRNA synthetase structure with tRNAile and mupirocin (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-14
    Description: Isoleucyl-transfer RNA (tRNA) synthetase (IleRS) joins Ile to tRNA(Ile) at its synthetic active site and hydrolyzes incorrectly acylated amino acids at its editing active site. The 2.2 angstrom resolution crystal structure of Staphylococcus aureus IleRS complexed with tRNA(Ile) and Mupirocin shows the acceptor strand of the tRNA(Ile) in the continuously stacked, A-form conformation with the 3' terminal nucleotide in the editing active site. To position the 3' terminus in the synthetic active site, the acceptor strand must adopt the hairpinned conformation seen in tRNA(Gln) complexed with its synthetase. The amino acid editing activity of the IleRS may result from the incorrect products shuttling between the synthetic and editing active sites, which is reminiscent of the editing mechanism of DNA polymerases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Silvian, L F -- Wang, J -- Steitz, T A -- GM22778/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Aug 13;285(5430):1074-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biophysics, Yale University, and Howard Hughes Medical Institute, New Haven, CT 06520-8114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10446055" target="_blank"〉PubMed〈/a〉
    Keywords: Acylation ; Adenosine Monophosphate/analogs & derivatives/metabolism ; Amino Acids/metabolism ; Binding Sites ; Crystallography, X-Ray ; DNA-Directed DNA Polymerase/metabolism ; Glutamate-tRNA Ligase/chemistry/metabolism ; Isoleucine/metabolism ; Isoleucine-tRNA Ligase/*chemistry/*metabolism ; Models, Molecular ; Mupirocin/chemistry/*metabolism ; Nucleic Acid Conformation ; Oligopeptides/metabolism ; Protein Conformation ; Protein Structure, Secondary ; RNA, Transfer, Gln/chemistry/metabolism ; RNA, Transfer, Ile/*chemistry/*metabolism ; Staphylococcus aureus/enzymology ; Substrate Specificity
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    The courts--a challenge to health technology assessment (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hemminki, E -- Hailey, D -- Koivusalo, M -- New York, N.Y. -- Science. 1999 Jul 9;285(5425):203-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Research and Development Centre for Welfare and Health, Helsinki, Finland. elina.hemminki@stakes.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428717" target="_blank"〉PubMed〈/a〉
    Keywords: Anticholesteremic Agents/therapeutic use ; Canada ; Commerce ; Contraceptive Agents, Female ; Drug Approval ; Finland ; International Cooperation ; Jurisprudence ; Levonorgestrel ; Publishing ; Technology Assessment, Biomedical/*legislation & jurisprudence ; United States
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    The looming threat of bioterrorism (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-26
    Description: Biological weapons have recently attracted the attention and the resources of the nation. Discerning the nature of the threat of bioweapons as well as appropriate responses to them requires greater attention to the biological characteristics of these instruments of war and terror. The dominant paradigm of a weapon as a nuclear device that explodes or a chemical cloud that is set adrift leaves us ill-equipped conceptually and practically to assess and thus to prevent the potentially devastating effects of bioterrorism. Strengthening the public health and infectious disease infrastructure is an effective step toward averting the suffering that could be wrought by a terrorist's use of a biological agent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Henderson, D A -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1279-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins Center for Civilian Biodefense Studies, Johns Hopkins School of Public Health, Suite 850, Candler Building, 111 Market Place, Baltimore, MD 21202, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10037590" target="_blank"〉PubMed〈/a〉
    Keywords: Anthrax/epidemiology/prevention & control/therapy/transmission ; *Biological Warfare/prevention & control ; Disaster Planning ; Disease Outbreaks ; Humans ; *Public Health ; Smallpox/epidemiology/prevention & control/therapy/transmission ; United States ; Vaccination ; *Violence/prevention & control
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    Threat to U.S. mouse colonies (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lipman, N S -- Nguyen, H -- Perkins, S -- New York, N.Y. -- Science. 1999 May 14;284(5417):1123.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10366341" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Laboratory/virology ; Blood/*virology ; China ; *Ectromelia virus ; Ectromelia, Infectious/epidemiology/*transmission ; Mice/*virology ; Rodent Diseases/epidemiology/*transmission ; United States
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    Effects of medical research on health care and economy (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pardes, H -- Manton, K G -- Lander, E S -- Tolley, H D -- Ullian, A D -- Palmer, H -- New York, N.Y. -- Science. 1999 Jan 1;283(5398):36-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA. hp2@columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9917262" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; *Biotechnology/economics ; *Delivery of Health Care ; Disabled Persons ; Drug Industry ; *Economics, Medical ; *Health Care Costs ; Health Status ; Humans ; Longevity ; *Research ; United States
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    Scientific cross-claims fly in continuing beef war (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1999 May 28;284(5419):1453, 1455.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383320" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Husbandry ; Animals ; Carcinogens/*analysis ; Cattle ; Drug Residues/adverse effects/*analysis ; Estradiol/adverse effects/*analysis ; European Union ; *Food Contamination ; Gonadal Steroid Hormones/adverse effects/*analysis ; Humans ; Meat/adverse effects/*analysis ; Mutagens/analysis ; Neoplasms/chemically induced ; United States ; United States Food and Drug Administration
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    Structure of the VHL-ElonginC-ElonginB complex: implications for VHL tumor suppressor function (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-16
    Description: Mutation of the VHL tumor suppressor is associated with the inherited von Hippel-Lindau (VHL) cancer syndrome and the majority of kidney cancers. VHL binds the ElonginC-ElonginB complex and regulates levels of hypoxia-inducible proteins. The structure of the ternary complex at 2.7 angstrom resolution shows two interfaces, one between VHL and ElonginC and another between ElonginC and ElonginB. Tumorigenic mutations frequently occur in a 35-residue domain of VHL responsible for ElonginC binding. A mutational patch on a separate domain of VHL indicates a second macromolecular binding site. The structure extends the similarities to the SCF (Skp1-Cul1-F-box protein) complex that targets proteins for degradation, supporting the hypothesis that VHL may function in an analogous pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stebbins, C E -- Kaelin, W G Jr -- Pavletich, N P -- New York, N.Y. -- Science. 1999 Apr 16;284(5413):455-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Structural Biology, Joan and Sanford I. Weill Graduate School of Medical Sciences, Cornell University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10205047" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Cell Cycle Proteins/chemistry/metabolism ; Cloning, Molecular ; Crystallography, X-Ray ; *Genes, Tumor Suppressor ; Humans ; Hydrogen Bonding ; *Ligases ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Mutation, Missense ; Neoplasms/genetics ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Proteins/*chemistry/genetics/metabolism ; S-Phase Kinase-Associated Proteins ; Surface Properties ; Transcription Factors/*chemistry/metabolism ; *Tumor Suppressor Proteins ; *Ubiquitin-Protein Ligases ; Von Hippel-Lindau Tumor Suppressor Protein ; von Hippel-Lindau Disease/*genetics
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    Space-grown neuraminidase crystals (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeLucas, L J -- New York, N.Y. -- Science. 1999 Jun 4;284(5420):1621.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383336" target="_blank"〉PubMed〈/a〉
    Keywords: Cryopreservation ; Crystallization ; Crystallography, X-Ray ; Drug Design ; Drug Industry ; Enzyme Inhibitors ; Neuraminidase/antagonists & inhibitors/*chemistry ; *Spacecraft ; United States ; United States National Aeronautics and Space Administration ; *Weightlessness
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    Molecular architecture of the rotary motor in ATP synthase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: Adenosine triphosphate (ATP) synthase contains a rotary motor involved in biological energy conversion. Its membrane-embedded F0 sector has a rotation generator fueled by the proton-motive force, which provides the energy required for the synthesis of ATP by the F1 domain. An electron density map obtained from crystals of a subcomplex of yeast mitochondrial ATP synthase shows a ring of 10 c subunits. Each c subunit forms an alpha-helical hairpin. The interhelical loops of six to seven of the c subunits are in close contact with the gamma and delta subunits of the central stalk. The extensive contact between the c ring and the stalk suggests that they may rotate as an ensemble during catalysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stock, D -- Leslie, A G -- Walker, J E -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1700-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Dunn Human Nutrition Unit, Hills Road, Cambridge CB2 2XY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576729" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Catalysis ; Crystallization ; Crystallography, X-Ray ; Hydrogen Bonding ; Mitochondria/enzymology ; Models, Molecular ; Molecular Motor Proteins/*chemistry/metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Proton-Motive Force ; Proton-Translocating ATPases/*chemistry/metabolism ; Protons ; Saccharomyces cerevisiae/enzymology
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    Redesigning evolution? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lovins, A B -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1489-91; author reply 1492.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10498532" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/*methods ; Crops, Agricultural/*genetics ; Directed Molecular Evolution ; *Food ; *Plants, Genetically Modified ; United States ; United States Department of Agriculture ; United States Environmental Protection Agency ; United States Food and Drug Administration
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    X-ray crystallographic structure of the Norwalk virus capsid (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: Norwalk virus, a noncultivatable human calicivirus, is the major cause of epidemic gastroenteritis in humans. The first x-ray structure of a calicivirus capsid, which consists of 180 copies of a single protein, has been determined by phase extension from a low-resolution electron microscopy structure. The capsid protein has a protruding (P) domain connected by a flexible hinge to a shell (S) domain that has a classical eight-stranded beta-sandwich motif. The structure of the P domain is unlike that of any other viral protein with a subdomain exhibiting a fold similar to that of the second domain in the eukaryotic translation elongation factor-Tu. This subdomain, located at the exterior of the capsid, has the largest sequence variation among Norwalk-like human caliciviruses and is likely to contain the determinants of strain specificity and cell binding.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prasad, B V -- Hardy, M E -- Dokland, T -- Bella, J -- Rossmann, M G -- Estes, M K -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):287-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Verna and Marrs Mclean Department of Biochemistry, Division of Molecular Virology, Baylor College of Medicine, Houston, TX 77030, USA. bprasad@bcm.tmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10514371" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Capsid/*chemistry/metabolism ; *Capsid Proteins ; Cryoelectron Microscopy ; Crystallography, X-Ray ; Dimerization ; Genome, Viral ; Humans ; Hydrogen Bonding ; Image Processing, Computer-Assisted ; Models, Molecular ; Molecular Sequence Data ; Norwalk virus/*chemistry/genetics/physiology ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Recombinant Proteins/chemistry ; Virus Assembly
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The mammalian gene collection (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: The Mammalian Gene Collection (MGC) project is a new effort by the NIH to generate full-length complementary DNA (cDNA) resources. This project will provide publicly accessible resources to the full research community. The MGC project entails the production of libraries, sequencing, and database and repository development, as well as the support of library construction, sequencing, and analytic technologies dedicated to the goal of obtaining a full set of human and other mammalian full-length (open reading frame) sequences and clones of expressed genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strausberg, R L -- Feingold, E A -- Klausner, R D -- Collins, F S -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):455-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10521335" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Computational Biology ; DNA, Complementary ; Databases, Factual ; Expressed Sequence Tags ; *Gene Library ; *Genome ; *Genome, Human ; Humans ; Mammals/*genetics ; Mice ; National Institutes of Health (U.S.) ; Private Sector ; Public Sector ; *Sequence Analysis, DNA ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    For the latest information, tune to channel KcsA (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zagrovic, B -- Aldrich, R -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):59, 61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Physiology, Stanford University, Stanford, CA 94305, USA. zagrovic@leland.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428704" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bacterial Proteins ; Electron Spin Resonance Spectroscopy ; Hydrogen-Ion Concentration ; *Ion Channel Gating ; Potassium/chemistry/*metabolism ; Potassium Channels/*chemistry/*physiology ; Protein Conformation ; Protein Structure, Secondary ; Shaker Superfamily of Potassium Channels ; Spin Labels ; Static Electricity ; Streptomyces/chemistry/physiology
    Print ISSN: 0036-8075
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    AIDS researchers blast NIH peer review plan (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2047.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523193" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; *Peer Review, Research ; *Research ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Just a minute, please (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bloom, F E -- New York, N.Y. -- Science. 1999 Jul 9;285(5425):197.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428715" target="_blank"〉PubMed〈/a〉
    Keywords: Costs and Cost Analysis ; *Internet ; *National Institutes of Health (U.S.) ; Peer Review, Research ; Periodicals as Topic ; *Publishing/economics ; Research Support as Topic ; Societies, Scientific/economics ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Tuskegee as a metaphor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowman, J E -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):47; author reply 49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428699" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans/*history ; Alabama ; Ethics Committees, Research ; Ethics, Medical/*history ; History, 20th Century ; Human Experimentation/*history ; Humans ; Metaphor ; *Persons ; Pregnant Women ; Syphilis/*history ; United States ; United States Public Health Service ; *Vulnerable Populations ; Withholding Treatment
    Print ISSN: 0036-8075
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    Tuskegee as a metaphor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lurie, P -- Wolfe, S M -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):47-8; author reply 49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428701" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/therapeutic use ; *Clinical Trials as Topic ; *Ethics, Medical ; HIV Infections/prevention & control/transmission ; *Human Experimentation ; Humans ; Infectious Disease Transmission, Vertical ; Metaphor ; Needle-Exchange Programs ; Syphilis ; United States ; United States Public Health Service ; Zidovudine/therapeutic use
    Print ISSN: 0036-8075
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    Assessing the decade of the brain (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, E G -- Mendell, L M -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):739.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10336393" target="_blank"〉PubMed〈/a〉
    Keywords: *Brain ; Humans ; *Neurosciences/economics/manpower ; *Research ; Research Support as Topic ; United States
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    Senate tops house panel in raising NIH's budget (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, D -- New York, N.Y. -- Science. 1999 Oct 1;286(5437):19, 21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10532880" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; Financing, Government ; National Institutes of Health (U.S.)/*economics ; Politics ; *Research Support as Topic ; United States
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    Library-society alliance puts bio journals online (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, D -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2063, 2065.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10409055" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Science Disciplines ; Costs and Cost Analysis ; *Internet ; *Libraries ; *Periodicals as Topic/economics ; *Publishing/economics ; *Societies, Scientific/economics ; United States
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    Misconduct. Fraud finding triggers payback demand (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- Kaiser, J -- New York, N.Y. -- Science. 1999 Aug 20;285(5431):1189-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10484725" target="_blank"〉PubMed〈/a〉
    Keywords: California ; Electromagnetic Fields/adverse effects ; Financing, Government ; *National Institutes of Health (U.S.)/economics ; *Research Support as Topic ; *Scientific Misconduct ; United States ; *Universities/economics
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    NIH urged to fund centers to merge computing and biology (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, D -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1742.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10391783" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; Budgets ; *Computational Biology/economics/manpower ; *Databases, Factual ; Financing, Government ; National Institutes of Health (U.S.)/*economics ; *Research Support as Topic ; Software ; United States ; Universities
    Print ISSN: 0036-8075
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    NRC pulled into radiation risk brawl (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Jul 9;285(5425):177-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428707" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Maximum Allowable Concentration ; *National Academy of Sciences (U.S.) ; Public Policy ; *Radiation Dosage ; Radiation Injuries/*etiology ; *Radiation, Ionizing ; United States
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    Structural basis of Smad2 recognition by the Smad anchor for receptor activation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-30
    Description: The Smad proteins mediate transforming growth factor-beta (TGFbeta) signaling from the transmembrane serine-threonine receptor kinases to the nucleus. The Smad anchor for receptor activation (SARA) recruits Smad2 to the TGFbeta receptors for phosphorylation. The crystal structure of a Smad2 MH2 domain in complex with the Smad-binding domain (SBD) of SARA has been determined at 2.2 angstrom resolution. SARA SBD, in an extended conformation comprising a rigid coil, an alpha helix, and a beta strand, interacts with the beta sheet and the three-helix bundle of Smad2. Recognition between the SARA rigid coil and the Smad2 beta sheet is essential for specificity, whereas interactions between the SARA beta strand and the Smad2 three-helix bundle contribute significantly to binding affinity. Comparison of the structures between Smad2 and a comediator Smad suggests a model for how receptor-regulated Smads are recognized by the type I receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, G -- Chen, Y G -- Ozdamar, B -- Gyuricza, C A -- Chong, P A -- Wrana, J L -- Massague, J -- Shi, Y -- CA85171/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2000 Jan 7;287(5450):92-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Princeton University, Lewis Thomas Laboratory, Princeton, NJ 08544, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10615055" target="_blank"〉PubMed〈/a〉
    Keywords: *Activin Receptors, Type I ; Amino Acid Sequence ; Binding Sites ; Carrier Proteins/*chemistry/*metabolism ; Crystallography, X-Ray ; DNA-Binding Proteins/*chemistry/genetics/*metabolism ; Hydrogen Bonding ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Phosphorylation ; Point Mutation ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/chemistry/genetics/metabolism ; Receptors, Transforming Growth Factor beta/chemistry/genetics/metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Signal Transduction ; Smad2 Protein ; Trans-Activators/*chemistry/genetics/*metabolism ; Zinc Fingers
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    An independent perspective on the Human Genome Project (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koonin, S E -- New York, N.Y. -- Science. 1998 Jan 2;279(5347):36-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉California Institute of Technology, USA. koonin@caltech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9441408" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology ; Computational Biology ; Computer Simulation ; Databases, Factual/standards ; Electrophoresis, Polyacrylamide Gel ; Government Agencies ; *Human Genome Project ; Humans ; National Institutes of Health (U.S.) ; Quality Control ; Reference Standards ; Sequence Analysis, DNA/*instrumentation/*methods/standards ; Software ; United States
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    The rotary enzyme of the cell: the rotation of F1-ATPase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Noji, H -- New York, N.Y. -- Science. 1998 Dec 4;282(5395):1844-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉"Genetic Programming" Team 13, Teikyo Unmiversity Biotechnology Center, Nogawa, Kawasaki, Japan. noji@phys.keio.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9874637" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/chemistry/metabolism ; Adenosine Triphosphate/metabolism ; *Awards and Prizes ; *Biochemistry/history ; Catalytic Domain ; History, 20th Century ; Japan ; Microscopy, Fluorescence ; Models, Molecular ; Protein Conformation ; Protein Structure, Secondary ; Proton-Translocating ATPases/*chemistry/*metabolism ; Protons ; Thermodynamics
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    The future of long life (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gavrilov, L A -- Gavrilova, N S -- New York, N.Y. -- Science. 1998 Sep 11;281(5383):1611-2; author reply 1613-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767024" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Forecasting ; Humans ; Life Expectancy/*trends ; *Longevity ; Male ; *Mortality/trends ; United States
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    FDA reform: unintended outcome? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Korn, D -- New York, N.Y. -- Science. 1998 Feb 20;279(5354):1113.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9508677" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Products ; *Research ; United States ; *United States Food and Drug Administration/legislation & ; jurisprudence/organization & administration
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    More SNPs on the way (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garber, K -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1788.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9776678" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Chromatography, High Pressure Liquid ; Databases, Factual ; *Genetic Markers ; Genetic Predisposition to Disease ; *Genetic Techniques ; *Genome, Human ; Humans ; National Institutes of Health (U.S.) ; Neoplasms/*genetics ; Point Mutation ; *Polymorphism, Genetic ; United States
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    Database protection and access to information (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gardner, W -- Rosenbaum, J -- New York, N.Y. -- Science. 1998 Aug 7;281(5378):786-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Pittsburgh School of Medicine, Pennsylvania, USA. gardnerwp@msx.upmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9714683" target="_blank"〉PubMed〈/a〉
    Keywords: Copyright ; Databases as Topic/*legislation & jurisprudence ; *Intellectual Property ; Ownership ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Bacteriophage collagen (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, M C -- Burns, N -- Sayers, J R -- Sorrell, J A -- Casjens, S R -- Hendrix, R W -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1834.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537896" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteriophages/chemistry/*genetics ; Collagen/*chemistry/*genetics ; Evolution, Molecular ; *Genome, Viral ; Protein Structure, Secondary ; Repetitive Sequences, Nucleic Acid ; Viral Tail Proteins/chemistry/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A structural explanation for the recognition of tyrosine-based endocytotic signals (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-13
    Description: Many cell surface proteins are marked for endocytosis by a cytoplasmic sequence motif, tyrosine-X-X-(hydrophobic residue), that is recognized by the mu2 subunit of AP2 adaptors. Crystal structures of the internalization signal binding domain of mu2 complexed with the internalization signal peptides of epidermal growth factor receptor and the trans-Golgi network protein TGN38 have been determined at 2.7 angstrom resolution. The signal peptides adopted an extended conformation rather than the expected tight turn. Specificity was conferred by hydrophobic pockets that bind the tyrosine and leucine in the peptide. In the crystal, the protein forms dimers that could increase the strength and specificity of binding to dimeric receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Owen, D J -- Evans, P R -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1327-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9812899" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Protein Complex 1 ; Adaptor Protein Complex 2 ; *Adaptor Protein Complex 3 ; Adaptor Protein Complex alpha Subunits ; *Adaptor Protein Complex mu Subunits ; Adaptor Proteins, Vesicular Transport ; Amino Acid Sequence ; Animals ; Binding Sites ; Crystallography, X-Ray ; Dimerization ; *Endocytosis ; *Glycoproteins ; Humans ; Hydrogen Bonding ; Membrane Glycoproteins/*chemistry/metabolism ; Membrane Proteins/*chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Phosphorylation ; Protein Conformation ; Protein Sorting Signals/*chemistry/metabolism ; Protein Structure, Secondary ; Receptor, Epidermal Growth Factor/*chemistry/metabolism ; Tyrosine/chemistry/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Research drought looms afer Neurolab mission (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1998 Apr 24;280(5363):515-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9575093" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Nervous System Physiological Phenomena ; Rats ; *Research ; Space Flight ; *Spacecraft ; United States ; United States National Aeronautics and Space Administration ; *Weightlessness
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Tankyrase, a poly(ADP-ribose) polymerase at human telomeres (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-20
    Description: Tankyrase, a protein with homology to ankyrins and to the catalytic domain of poly(adenosine diphosphate-ribose) polymerase (PARP), was identified and localized to human telomeres. Tankyrase binds to the telomeric protein TRF1 (telomeric repeat binding factor-1), a negative regulator of telomere length maintenance. Like ankyrins, tankyrase contains 24 ankyrin repeats in a domain responsible for its interaction with TRF1. Recombinant tankyrase was found to have PARP activity in vitro, with both TRF1 and tankyrase functioning as acceptors for adenosine diphosphate (ADP)-ribosylation. ADP-ribosylation of TRF1 diminished its ability to bind to telomeric DNA in vitro, suggesting that telomere function in human cells is regulated by poly(ADP-ribosyl)ation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, S -- Giriat, I -- Schmitt, A -- de Lange, T -- CA76027/CA/NCI NIH HHS/ -- GM49046/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 20;282(5393):1484-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9822378" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate Ribose/metabolism ; Amino Acid Sequence ; Animals ; Ankyrins/chemistry ; Benzamides/pharmacology ; Catalytic Domain ; DNA/metabolism ; DNA-Binding Proteins/analysis/*metabolism ; Enzyme Inhibitors/pharmacology ; Fluorescent Antibody Technique, Indirect ; Humans ; Molecular Sequence Data ; NAD/metabolism ; Poly(ADP-ribose) Polymerase Inhibitors ; Poly(ADP-ribose) Polymerases/*chemistry/genetics/*metabolism ; Protein Structure, Secondary ; Recombinant Proteins/chemistry/metabolism ; Repetitive Sequences, Amino Acid ; Sequence Alignment ; Sequence Homology, Amino Acid ; *Tankyrases ; Telomere/chemistry/*enzymology ; Telomeric Repeat Binding Protein 1
    Print ISSN: 0036-8075
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    Senate panel backs large NIH increase (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1998 Mar 27;279(5359):2035.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537911" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets/*legislation & jurisprudence ; Financing, Government ; National Institutes of Health (U.S.)/*economics ; *Research Support as Topic ; United States
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    Salt wars (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lenfant, C -- New York, N.Y. -- Science. 1998 Sep 25;281(5385):1961.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767040" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Pressure ; *Diet, Sodium-Restricted ; Humans ; Hypertension/*etiology ; National Institutes of Health (U.S.) ; *Nutrition Policy ; Sodium, Dietary/*administration & dosage ; United States
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    NIH embraces citizens' council to cool debate on priorities (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1998 Oct 2;282(5386):18-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9786788" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.)/*economics ; Public Opinion ; *Public Policy ; *Research Support as Topic ; United States
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    NIH plans bioengineering initiative (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1516-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9644013" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Engineering ; *Biotechnology ; *Computational Biology ; *National Institutes of Health (U.S.)/organization & administration ; Research Support as Topic ; United States
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  • 83
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    Ribonuclease P protein structure: evolutionary origins in the translational apparatus (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: The crystal structure of Bacillus subtilis ribonuclease P protein is reported at 2.6 angstroms resolution. This protein binds to ribonuclease P RNA to form a ribonucleoprotein holoenzyme with optimal catalytic activity. Mutagenesis and biochemical data indicate that an unusual left-handed betaalphabeta crossover connection and a large central cleft in the protein form conserved RNA binding sites; a metal binding loop may comprise a third RNA binding site. The unusual topology is partly shared with ribosomal protein S5 and the ribosomal translocase elongation factor G, which suggests evolution from a common RNA binding ancestor in the primordial translational apparatus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stams, T -- Niranjanakumari, S -- Fierke, C A -- Christianson, D W -- GM55387/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 May 1;280(5364):752-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9563955" target="_blank"〉PubMed〈/a〉
    Keywords: Bacillus subtilis/enzymology ; Binding Sites ; Catalysis ; Crystallography, X-Ray ; Endoribonucleases/*chemistry/metabolism ; *Evolution, Molecular ; Magnesium/metabolism ; Models, Molecular ; Peptide Elongation Factor G ; Peptide Elongation Factors/chemistry ; *Protein Biosynthesis ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; RNA, Bacterial/*chemistry/metabolism ; RNA, Catalytic/*chemistry/metabolism ; Ribonuclease P ; Ribosomal Proteins/chemistry ; Zinc/metabolism
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    Crystal structure and evolution of a transfer RNA splicing enzyme (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-02
    Description: The splicing of transfer RNA precursors is similar in Eucarya and Archaea. In both kingdoms an endonuclease recognizes the splice sites and releases the intron, but the mechanism of splice site recognition is different in each kingdom. The crystal structure of the endonuclease from the archaeon Methanococcus jannaschii was determined to a resolution of 2.3 angstroms. The structure indicates that the cleavage reaction is similar to that of ribonuclease A and the arrangement of the active sites is conserved between the archaeal and eucaryal enzymes. These results suggest an evolutionary pathway for splice site recognition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, H -- Trotta, C R -- Abelson, J -- F32 GM188930-01/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Apr 10;280(5361):279-84.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, Mail Code 147-75, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9535656" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Catalysis ; Cloning, Molecular ; Crystallography, X-Ray ; Dimerization ; Endoribonucleases/*chemistry/genetics/metabolism ; *Evolution, Molecular ; HIV Long Terminal Repeat ; Hydrogen Bonding ; Methanococcus/*enzymology/genetics ; Models, Molecular ; Molecular Sequence Data ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; RNA Precursors/chemistry/metabolism ; *RNA Splicing ; RNA, Archaeal/chemistry/metabolism ; Saccharomyces cerevisiae/enzymology
    Print ISSN: 0036-8075
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    The paradox of lead poisoning prevention (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lanphear, B P -- New York, N.Y. -- Science. 1998 Sep 11;281(5383):1617-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH 45229-3039, USA. bruce.lanphear@chmcc.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767027" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Costs and Cost Analysis ; Dust/analysis ; *Environmental Exposure ; *Housing/standards ; Humans ; Lead/analysis/*blood ; Lead Poisoning/economics/*prevention & control ; Mass Screening ; Maximum Allowable Concentration ; Paint ; United States ; United States Environmental Protection Agency
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    Issues facing the new FDA commissioner (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lasagna, L -- Kaitin, K I -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1263.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9867628" target="_blank"〉PubMed〈/a〉
    Keywords: Advertising as Topic ; *Drug Approval ; Humans ; Pediatrics ; Phytotherapy ; Publishing ; United States ; *United States Food and Drug Administration/organization & administration
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    Two more scientists died in Swissair crash (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1998 Sep 25;281(5385):1939-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767035" target="_blank"〉PubMed〈/a〉
    Keywords: Allergy and Immunology/history ; Cell Physiological Phenomena ; History, 20th Century ; Switzerland ; United States
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    ART into science: regulation of fertility techniques. ISLAT (Institute for Science Law, and Technology) Working Group (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1998 Jul 31;281(5377):651-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9714673" target="_blank"〉PubMed〈/a〉
    Keywords: Data Collection ; Disclosure ; Embryo Transfer ; Federal Government ; Female ; *Government Regulation ; Humans ; Information Dissemination ; Informed Consent ; Licensure ; Male ; Practice Guidelines as Topic ; Records as Topic ; Reproductive Techniques/adverse effects/*legislation & jurisprudence/*standards ; United States
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    First AIDS vaccine trial launched (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1998 Jun 12;280(5370):1697.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9660708" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines/therapeutic use ; Acquired Immunodeficiency Syndrome/immunology/*prevention & control ; *Controlled Clinical Trials as Topic ; HIV/immunology/physiology ; HIV Envelope Protein gp120/immunology ; HIV Infections/prevention & control/therapy/virology ; Humans ; Male ; Thailand ; United States ; Viral Load
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    Astrobiology institute picks partners (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1998 May 29;280(5368):1338.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634407" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/economics/*organization & administration ; Administrative Personnel ; Biological Science Disciplines/organization & administration ; Europe ; Exobiology/economics/*organization & administration ; Financing, Government ; Origin of Life ; Research Support as Topic ; United States ; United States National Aeronautics and Space ; Administration/economics/*organization & administration ; Universities/economics
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    The bare bones of catalysis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, E -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1852.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537901" target="_blank"〉PubMed〈/a〉
    Keywords: Catalysis ; Chorismate Mutase/*chemistry/genetics/*metabolism ; Dimerization ; *Directed Molecular Evolution ; Escherichia coli/genetics ; Mutation ; Protein Conformation ; *Protein Engineering ; Protein Structure, Secondary ; Selection, Genetic ; Staphylococcal Protein A/chemistry/metabolism
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  • 92
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    New goals for the U.S. Human Genome Project: 1998-2003 (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-23
    Description: The Human Genome Project has successfully completed all the major goals in its current 5-year plan, covering the period 1993-98. A new plan, for 1998-2003, is presented, in which human DNA sequencing will be the major emphasis. An ambitious schedule has been set to complete the full sequence by the end of 2003, 2 years ahead of previous projections. In the course of completing the sequence, a "working draft" of the human sequence will be produced by the end of 2001. The plan also includes goals for sequencing technology development; for studying human genome sequence variation; for developing technology for functional genomics; for completing the sequence of Caenorhabditis elegans and Drosophila melanogaster and starting the mouse genome; for studying the ethical, legal, and social implications of genome research; for bioinformatics and computational studies; and for training of genome scientists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, F S -- Patrinos, A -- Jordan, E -- Chakravarti, A -- Gesteland, R -- Walters, L -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):682-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA. fc23a@nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9784121" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioethics ; Computational Biology ; Databases, Factual ; Databases, Nucleic Acid ; Federal Government ; Genetic Research ; Genetic Variation ; Genome ; Genome, Human ; *Human Genome Project/economics/organization & administration ; Humans ; Information Dissemination ; International Cooperation ; Internationality ; Molecular Biology/education ; Point Mutation ; Polymorphism, Genetic ; Sequence Analysis, DNA/economics/methods ; Sociology ; Species Specificity ; Time Factors ; United States
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    DNA sequencers' trial by fire (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 May 8;280(5365):814-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9599151" target="_blank"〉PubMed〈/a〉
    Keywords: Automation ; Costs and Cost Analysis ; Government Agencies ; *Human Genome Project/economics/organization & administration ; Humans ; National Institutes of Health (U.S.) ; Pilot Projects ; Research Personnel ; Research Support as Topic ; Robotics ; *Sequence Analysis, DNA/methods ; United States
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  • 94
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    Funders reassure genome sequencers (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 May 22;280(5367):1185.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634394" target="_blank"〉PubMed〈/a〉
    Keywords: *Biotechnology ; Human Genome Project/*economics ; Humans ; International Cooperation ; National Institutes of Health (U.S.)/economics ; Patents as Topic ; *Research Support as Topic ; *Sequence Analysis, DNA/instrumentation/methods ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 95
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    Science over politics (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lanza, R P -- Arrow, K J -- Axelrod, J -- Baltimore, D -- Benacerraf, B -- Bloch, K E -- Bloembergen, N -- Brown, H C -- Brown, M S -- Cibelli, J B -- Cohen, S -- Cooper, L N -- Corey, E J -- Dulbecco, R -- Fischer, E H -- Fitch, V L -- Friedmen, M -- Friedman, M -- Furchgott, R F -- Gell-Mann, M -- Glaser, D A -- Glashow, S L -- Gilbert, W -- Goldstein, J L -- Wilson, R W -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1849-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206888" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethics ; Biomedical Research ; *Embryo Research ; Embryo, Mammalian/*cytology ; Federal Government ; Government Regulation ; Humans ; Politics ; Research/*legislation & jurisprudence ; Research Support as Topic/legislation & jurisprudence ; *Risk Assessment ; *Stem Cells ; United States ; United States Dept. of Health and Human Services
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 96
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    High-resolution protein design with backbone freedom (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-20
    Description: Recent advances in computational techniques have allowed the design of precise side-chain packing in proteins with predetermined, naturally occurring backbone structures. Because these methods do not model protein main-chain flexibility, they lack the breadth to explore novel backbone conformations. Here the de novo design of a family of alpha-helical bundle proteins with a right-handed superhelical twist is described. In the design, the overall protein fold was specified by hydrophobic-polar residue patterning, whereas the bundle oligomerization state, detailed main-chain conformation, and interior side-chain rotamers were engineered by computational enumerations of packing in alternate backbone structures. Main-chain flexibility was incorporated through an algebraic parameterization of the backbone. The designed peptides form alpha-helical dimers, trimers, and tetramers in accord with the design goals. The crystal structure of the tetramer matches the designed structure in atomic detail.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harbury, P B -- Plecs, J J -- Tidor, B -- Alber, T -- Kim, P S -- GM44162/GM/NIGMS NIH HHS/ -- GM48598/GM/NIGMS NIH HHS/ -- GM55758/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 20;282(5393):1462-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Howard Hughes Medical Institute and Department of Biology, Massachusetts Institute of Technology, Nine Cambridge Center, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9822371" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Circular Dichroism ; Computer Simulation ; Crystallography, X-Ray ; Dimerization ; Hydrogen Bonding ; Models, Molecular ; Molecular Sequence Data ; Molecular Weight ; Mutation ; Peptides/chemical synthesis/*chemistry ; *Protein Conformation ; Protein Denaturation ; *Protein Engineering ; *Protein Folding ; Protein Structure, Secondary ; Proteins/chemical synthesis/*chemistry ; Thermodynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    X-ray crystal structure of the Fe-only hydrogenase (CpI) from Clostridium pasteurianum to 1.8 angstrom resolution (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-04
    Description: A three-dimensional structure for the monomeric iron-containing hydrogenase (CpI) from Clostridium pasteurianum was determined to 1.8 angstrom resolution by x-ray crystallography using multiwavelength anomalous dispersion (MAD) phasing. CpI, an enzyme that catalyzes the two-electron reduction of two protons to yield dihydrogen, was found to contain 20 gram atoms of iron per mole of protein, arranged into five distinct [Fe-S] clusters. The probable active-site cluster, previously termed the H-cluster, was found to be an unexpected arrangement of six iron atoms existing as a [4Fe-4S] cubane subcluster covalently bridged by a cysteinate thiol to a [2Fe] subcluster. The iron atoms of the [2Fe] subcluster both exist with an octahedral coordination geometry and are bridged to each other by three non-protein atoms, assigned as two sulfide atoms and one carbonyl or cyanide molecule. This structure provides insights into the mechanism of biological hydrogen activation and has broader implications for [Fe-S] cluster structure and function in biological systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peters, J W -- Lanzilotta, W N -- Lemon, B J -- Seefeldt, L C -- New York, N.Y. -- Science. 1998 Dec 4;282(5395):1853-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, Utah State University, Logan, UT 84322, USA. petersj@cc.usu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9836629" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Carbon Monoxide/chemistry ; Catalytic Domain ; Clostridium/*enzymology ; Crystallography, X-Ray ; Cyanides/chemistry ; Cysteine/chemistry ; Histidine/chemistry ; Hydrogen/metabolism ; Hydrogenase/*chemistry/metabolism ; Iron/*chemistry ; Ligands ; Models, Molecular ; Molecular Sequence Data ; Oxidation-Reduction ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protons ; Sulfur/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    Crystal structure of the ectodomain of human transferrin receptor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: The transferrin receptor (TfR) undergoes multiple rounds of clathrin-mediated endocytosis and reemergence at the cell surface, importing iron-loaded transferrin (Tf) and recycling apotransferrin after discharge of iron in the endosome. The crystal structure of the dimeric ectodomain of the human TfR, determined here to 3.2 angstroms resolution, reveals a three-domain subunit. One domain closely resembles carboxy- and aminopeptidases, and features of membrane glutamate carboxypeptidase can be deduced from the TfR structure. A model is proposed for Tf binding to the receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawrence, C M -- Ray, S -- Babyonyshev, M -- Galluser, R -- Borhani, D W -- Harrison, S C -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):779-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Children's Hospital Laboratory of Molecular Medicine, 320 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10531064" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; CHO Cells ; Carboxypeptidases/chemistry ; Cell Membrane/chemistry ; Conserved Sequence ; Cricetinae ; Crystallography, X-Ray ; Dimerization ; Ferric Compounds/metabolism ; Glycosylation ; Humans ; Hydrogen-Ion Concentration ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, Transferrin/*chemistry/metabolism ; Transferrin/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Research lab to surrender chimps (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lasley, E N -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1649-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523176" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; *Animal Welfare ; Animals ; *Animals, Laboratory ; Federal Government ; Government Regulation ; National Institutes of Health (U.S.) ; New Mexico ; *Pan troglodytes ; Research ; United States ; United States Department of Agriculture
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Morphological clues from multilegged frogs: are retinoids to blame? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-30
    Description: Morphological analysis was performed on multilegged deformed frogs representing five species from 12 different localities in California, Oregon, Arizona, and New York. The pattern of duplicated limbs was consistent with mechanical perturbation by trematode infestation but not with the effects of retinoids.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sessions, S K -- Franssen, R A -- Horner, V L -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):800-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Hartwick College, Oneonta, NY 13820, USA. sessionss@hartwick.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10221911" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/*abnormalities/*parasitology ; Forelimb/*abnormalities ; Gene Expression Regulation, Developmental/drug effects ; Hindlimb/*abnormalities/parasitology ; Limb Buds/drug effects/metabolism ; Ranidae/abnormalities/parasitology ; Trematode Infections/parasitology/*veterinary ; Tretinoin/*toxicity ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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