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  • Articles  (18)
  • Latest Papers from Table of Contents or Articles in Press  (18)
  • Mutation  (18)
  • American Association for the Advancement of Science (AAAS)  (18)
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  • Articles  (18)
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  • Latest Papers from Table of Contents or Articles in Press  (18)
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  • American Association for the Advancement of Science (AAAS)  (18)
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  • 1
    Publication Date: 1999-10-16
    Description: Dense genetic maps of human, mouse, and rat genomes that are based on coding genes and on microsatellite and single-nucleotide polymorphism markers have been complemented by precise gene homolog alignment with moderate-resolution maps of livestock, companion animals, and additional mammal species. Comparative genetic assessment expands the utility of these maps in gene discovery, in functional genomics, and in tracking the evolutionary forces that sculpted the genome organization of modern mammalian species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, S J -- Menotti-Raymond, M -- Murphy, W J -- Nash, W G -- Wienberg, J -- Stanyon, R -- Copeland, N G -- Jenkins, N A -- Womack, J E -- Marshall Graves, J A -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):458-62, 479-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genomic Diversity, National Cancer Institute, Frederick, MD 21702-1201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10521336" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic/genetics ; Base Sequence ; *Chromosome Mapping ; *Evolution, Molecular ; Genetic Markers ; *Genome ; *Genome, Human ; Humans ; Mammals/*genetics ; Mutation ; *Phylogeny ; Rodentia/genetics
    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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  • 2
    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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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1998-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaelin, W G Jr -- New York, N.Y. -- Science. 1998 Jul 3;281(5373):57-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA 02115, USA. William_Kaelin@dfci.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9679018" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; DNA-Binding Proteins/chemistry/genetics/*physiology ; Genes, Tumor Suppressor ; Genes, p53 ; Humans ; Mutation ; Neoplasms/*etiology/genetics/therapy ; Nuclear Proteins/chemistry/genetics/*physiology ; *Phosphoproteins ; *Trans-Activators ; Transcription Factors ; Tumor Suppressor Protein p53/chemistry/genetics/*physiology ; Tumor Suppressor Proteins
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 1998-03-21
    Description: Topoisomerases I promote the relaxation of DNA superhelical tension by introducing a transient single-stranded break in duplex DNA and are vital for the processes of replication, transcription, and recombination. The crystal structures at 2.1 and 2.5 angstrom resolution of reconstituted human topoisomerase I comprising the core and carboxyl-terminal domains in covalent and noncovalent complexes with 22-base pair DNA duplexes reveal an enzyme that "clamps" around essentially B-form DNA. The core domain and the first eight residues of the carboxyl-terminal domain of the enzyme, including the active-site nucleophile tyrosine-723, share significant structural similarity with the bacteriophage family of DNA integrases. A binding mode for the anticancer drug camptothecin is proposed on the basis of chemical and biochemical information combined with these three-dimensional structures of topoisomerase I-DNA complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Redinbo, M R -- Stewart, L -- Kuhn, P -- Champoux, J J -- Hol, W G -- CA65656/CA/NCI NIH HHS/ -- GM49156/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Mar 6;279(5356):1504-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biomolecular Structure Center and Department of Biological Structure, Box 357742, School of Medicine, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9488644" target="_blank"〉PubMed〈/a〉
    Keywords: Antineoplastic Agents, Phytogenic/metabolism/pharmacology ; Binding Sites ; Camptothecin/analogs & derivatives/metabolism/pharmacology ; Crystallography, X-Ray ; DNA/chemistry/*metabolism ; DNA Topoisomerases, Type I/*chemistry/genetics/metabolism ; *DNA-Binding Proteins ; Homeodomain Proteins/chemistry ; Host Cell Factor C1 ; Humans ; Hydrogen Bonding ; Integrases/chemistry ; Models, Molecular ; Mutation ; Nucleic Acid Conformation ; Octamer Transcription Factor-1 ; Oligodeoxyribonucleotides/chemistry/metabolism ; *Protein Conformation ; Protein Structure, Secondary ; Recombinant Proteins/chemistry ; Transcription Factors/chemistry ; Tyrosine/chemistry/metabolism
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    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hill, William G -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):683-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Edinburgh, Edinburgh, EH9 3JT, UK. w.g.hill@ed.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15692038" target="_blank"〉PubMed〈/a〉
    Keywords: Analysis of Variance ; Animals ; Body Size ; Body Weight ; Chickens/genetics ; Crosses, Genetic ; Genes, Plant ; Genetic Markers ; Genetic Variation ; Heterozygote ; Homozygote ; Inbreeding ; Models, Genetic ; Mutation ; Plant Oils/*analysis/metabolism ; Polymorphism, Single Nucleotide ; *Quantitative Trait Loci ; *Selection, Genetic ; Zea mays/chemistry/*genetics/metabolism
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2002-05-11
    Description: The ubiquitination of the hypoxia-inducible factor (HIF) by the von Hippel-Lindau tumor suppressor (pVHL) plays a central role in the cellular response to changes in oxygen availability. pVHL binds to HIF only when a conserved proline in HIF is hydroxylated, a modification that is oxygen-dependent. The 1.85 angstrom structure of a 20-residue HIF-1alpha peptide-pVHL-ElonginB-ElonginC complex shows that HIF-1alpha binds to pVHL in an extended beta strand-like conformation. The hydroxyproline inserts into a gap in the pVHL hydrophobic core, at a site that is a hotspot for tumorigenic mutations, with its 4-hydroxyl group recognized by buried serine and histidine residues. Although the beta sheet-like interactions contribute to the stability of the complex, the hydroxyproline contacts are central to the strict specificity characteristic of signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Min, Jung-Hyun -- Yang, Haifeng -- Ivan, Mircea -- Gertler, Frank -- Kaelin, William G Jr -- Pavletich, Nikola P -- New York, N.Y. -- Science. 2002 Jun 7;296(5574):1886-9. Epub 2002 May 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cellular Biochemistry and Biophysics Program and Howard Hughes Medical Institute, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004076" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Crystallography, X-Ray ; Humans ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Hydroxylation ; Hydroxyproline/*metabolism ; Hypoxia-Inducible Factor 1, alpha Subunit ; Ligases/*chemistry/genetics/metabolism ; Macromolecular Substances ; Mice ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Signal Transduction ; Transcription Factors/*chemistry/metabolism ; *Tumor Suppressor Proteins ; *Ubiquitin-Protein Ligases ; Von Hippel-Lindau Tumor Suppressor Protein
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1995-05-12
    Description: Mutations in genes required for associative learning and memory in Drosophila exist, but isolation of the genes has been difficult because most are defined by a single, chemically induced allele. Here, a simplified genetic screen was used to identify candidate genes involved in learning and memory. Second site suppressors of the dunce (dnc) female sterility phenotype were isolated with the use of transposon mutagenesis. One suppressor mutation that was recovered mapped in the amnesiac (amn) gene. Cloning of the locus revealed that amn encodes a previously uncharacterized neuropeptide gene. Thus, with the cloning of amn, specific neuropeptides are implicated in the memory process.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feany, M B -- Quinn, W G -- New York, N.Y. -- Science. 1995 May 12;268(5212):869-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7754370" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; Codon ; DNA Transposable Elements ; DNA, Complementary/genetics ; Drosophila/*genetics/physiology ; *Drosophila Proteins ; Female ; *Genes, Insect ; Growth Hormone-Releasing Hormone/chemistry/genetics ; Male ; Memory/*physiology ; Molecular Sequence Data ; Mutagenesis, Insertional ; Mutation ; Neuropeptides/chemistry/*genetics ; Pituitary Adenylate Cyclase-Activating Polypeptide ; Sequence Homology, Amino Acid ; Suppression, Genetic
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  • 8
    Publication Date: 1995-10-06
    Description: Cdc2 is the cyclin-dependent kinase that controls entry of cells into mitosis. Phosphorylation of Cdc2 on threonine-14 and tyrosine-15 inhibits the activity of the enzyme and prevents premature initiation of mitosis. Although Wee1 has been identified as the kinase that phosphorylates tyrosine-15 in various organisms, the threonine-14-specific kinase has not been isolated. A complementary DNA was cloned from Xenopus that encodes Myt1, a member of the Wee1 family that was discovered to phosphorylate Cdc2 efficiently on both threonine-14 and tyrosine-15. Myt1 is a membrane-associated protein that contains a putative transmembrane segment. Immunodepletion studies suggested that Myt1 is the predominant threonine-14-specific kinase in Xenopus egg extracts. Myt1 activity is highly regulated during the cell cycle, suggesting that this relative of Wee1 plays a role in mitotic control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mueller, P R -- Coleman, T R -- Kumagai, A -- Dunphy, W G -- New York, N.Y. -- Science. 1995 Oct 6;270(5233):86-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 216-76, Howard Hughes Medical Institute, California Institute of Technology, Pasadena 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569953" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; CDC2 Protein Kinase/*metabolism ; *Cell Cycle Proteins ; Cell Membrane/enzymology ; Cloning, Molecular ; Cyclins/metabolism ; Interphase ; Mitosis ; Molecular Sequence Data ; Mutation ; *Nuclear Proteins ; Oocytes/enzymology ; Phosphorylation ; Phosphothreonine/metabolism ; Phosphotyrosine/metabolism ; Protein-Serine-Threonine Kinases/chemistry/genetics/*metabolism ; Protein-Tyrosine Kinases/chemistry/genetics/*metabolism ; Recombinant Proteins/metabolism ; Xenopus ; *Xenopus Proteins
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  • 9
    Publication Date: 1996-09-06
    Description: Cdc2, the cyclin-dependent kinase that controls mitosis, is negatively regulated by phosphorylation on its threonine-14 and tyrosine-15 residues. Cdc25, the phosphatase that dephosphorylates both of these residues, undergoes activation and phosphorylation by multiple kinases at mitosis. Plx1, a kinase that associates with and phosphorylates the amino-terminal domain of Cdc25, was purified extensively from Xenopus egg extracts. Cloning of its complementary DNA revealed that Plx1 is related to the Polo family of protein kinases. Recombinant Plx1 phosphorylated Cdc25 and stimulated its activity in a purified system. Cdc25 phosphorylated by Plx1 reacted strongly with MPM-2, a monoclonal antibody to mitotic phosphoproteins. These studies indicate that Plx1 may participate in control of mitotic progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kumagai, A -- Dunphy, W G -- New York, N.Y. -- Science. 1996 Sep 6;273(5280):1377-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, 216-76, 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/8703070" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; CDC2 Protein Kinase/metabolism ; Cell Cycle Proteins/chemistry/*metabolism ; Cloning, Molecular ; Cyclins/metabolism ; Enzyme Activation ; Molecular Sequence Data ; Mutation ; Oocytes/enzymology ; Peptide Mapping ; Phosphoprotein Phosphatases/chemistry/*metabolism ; Phosphorylation ; Phosphoserine/analysis ; Phosphothreonine/analysis ; Protein-Serine-Threonine Kinases/chemistry/genetics/*isolation & ; purification/metabolism ; Recombinant Proteins/metabolism ; Xenopus ; *Xenopus Proteins ; cdc25 Phosphatases
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  • 10
    Publication Date: 1993-05-28
    Description: The retinoblastoma gene product (Rb) is a nuclear phosphoprotein that regulates cell cycle progression. Elf-1 is a lymphoid-specific Ets transcription factor that regulates inducible gene expression during T cell activation. In this report, it is demonstrated that Elf-1 contains a sequence motif that is highly related to the Rb binding sites of several viral oncoproteins and binds to the pocket region of Rb both in vitro and in vivo. Elf-1 binds exclusively to the underphosphorylated form of Rb and fails to bind to Rb mutants derived from patients with retinoblastoma. Co-immunoprecipitation experiments demonstrated an association between Elf-1 and Rb in resting normal human T cells. After T cell activation, the phosphorylation of Rb results in the release of Elf-1, which is correlated temporally with the activation of Elf-1-mediated transcription. Overexpression of a phosphorylation-defective form of Rb inhibited Elf-1-dependent transcription during T cell activation. These results demonstrate that Rb interacts specifically with a lineage-restricted Ets transcription factor. This regulated interaction may be important for the coordination of lineage-specific effector functions such as lymphokine production with cell cycle progression in activated T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, C Y -- Petryniak, B -- Thompson, C B -- Kaelin, W G -- Leiden, J M -- R01 AI29673-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1993 May 28;260(5112):1330-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Chicago, IL 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493578" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Cell Cycle ; Cell Line ; DNA-Binding Proteins/chemistry/*metabolism ; Eye Neoplasms/genetics ; Humans ; Lymphocyte Activation ; Molecular Sequence Data ; Mutation ; Oligodeoxyribonucleotides ; Phosphorylation ; Recombinant Fusion Proteins/metabolism ; Retinoblastoma/genetics ; Retinoblastoma Protein/*metabolism ; T-Lymphocytes/immunology/*metabolism ; Transcription Factors/chemistry/*metabolism ; Transcription, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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