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  • Base Sequence  (109)
  • American Association for the Advancement of Science (AAAS)  (109)
  • Annual Reviews
  • Springer Nature
  • 2005-2009
  • 1985-1989  (109)
  • 1980-1984
  • 1989  (109)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (109)
  • Annual Reviews
  • Springer Nature
Years
  • 2005-2009
  • 1985-1989  (109)
  • 1980-1984
Year
  • 101
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    Disruption of the yeast N-myristoyl transferase gene causes recessive lethality (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: The structural gene for N-myristoyl transferase (NMT1) has been cloned from the budding yeast Saccharomyces cerevisiae. The gene encodes a polypeptide of 455 amino acids (Mr = 52,837) that has no identifiable significant primary sequence homology with any protein in currently available databases. Overexpression of NMT activity was achieved by means of the yeast episomal plasmid YEp24 without obvious effects on growth kinetics, cell morphology, or acylprotein metabolic labeling patterns. Insertional mutagenesis of the NMT1 locus on yeast chromosome XII caused recessive lethality, indicating that this protein acyltransferase activity is necessary for vegetative cell growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duronio, R J -- Towler, D A -- Heuckeroth, R O -- Gordon, J I -- AI27179/AI/NIAID NIH HHS/ -- GM07200/GM/NIGMS NIH HHS/ -- GM38285/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):796-800.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2644694" target="_blank"〉PubMed〈/a〉
    Keywords: Acyltransferases/*genetics ; Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; *Genes, Fungal ; Genes, Lethal ; Molecular Sequence Data ; Saccharomyces cerevisiae/*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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  • 102
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    Generation of a catalytic antibody by site-directed mutagenesis (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-08
    Description: A hybrid Fv fragment of the dinitrophenyl-binding immunoglobulin A (IgA), MPOC315, has been generated by reconstituting a recombinant variable light chain (VL) produced in Escherichia coli with a variable heavy chain (VH) derived from the antibody. The Tyr34 residue of VL was substituted by His in order to introduce a catalytic imidazole into the combining site for the ester hydrolysis. The His mutant Fv accelerated the hydrolysis of the 7-hydroxycoumarin ester of 5-(2,4-dinitrophenyl)-aminopentanoic acid 90,000-fold compared to the reaction with 4-methyl imidazole at pH 6.8 and had an initial rate that was 45 times as great as that for the wild-type Fv. The hydrolyses of aminopropanoic and aminohexanoic homologs were not significantly accelerated. Thus a single deliberate amino acid change can introduce significant catalytic activity into an antibody-combining site, and chemical modification data can be used to locate potential sites for the introduction of catalytic residues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baldwin, E -- Schultz, P G -- New York, N.Y. -- Science. 1989 Sep 8;245(4922):1104-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2672338" target="_blank"〉PubMed〈/a〉
    Keywords: 2,4-Dinitrophenol ; Amino Acid Sequence ; Base Sequence ; Binding Sites, Antibody ; Catalysis ; Dinitrophenols/metabolism ; Escherichia coli/genetics ; Genes, Synthetic ; Hydrolysis ; Immunoglobulin A/*chemical synthesis/metabolism/pharmacology ; Molecular Sequence Data ; *Mutation ; Recombinant Fusion Proteins/*chemical synthesis/metabolism/pharmacology ; Recombinant Proteins/*chemical synthesis
    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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  • 103
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    Beta-adrenergic receptor kinase: primary structure delineates a multigene family (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-13
    Description: The beta-adrenergic receptor kinase (beta-ARK), which specifically phosphorylates only the agonist-occupied form of the beta-adrenergic and closely related receptors, appears to be important in mediating rapid agonist-specific (homologous) desensitization. The structure of this enzyme was elucidated by isolating clones from a bovine brain complementary DNA library through the use of oligonucleotide probes derived from partial amino acid sequence. The beta-ARK cDNA codes for a protein of 689 amino acids (79.7 kilodaltons) with a protein kinase catalytic domain that bears greatest sequence similarity to protein kinase C and the cyclic adenosine monophosphate (cyclic AMP)--dependent protein kinase. When this clone was inserted into a mammalian expression vector and transfected into COS-7 cells, a protein that specifically phosphorylated the agonist-occupied form of the beta 2-adrenergic receptor and phosphorylated, much more weakly, the light-bleached form of rhodopsin was expressed. RNA blot analysis revealed a messenger RNA of four kilobases with highest amounts in brain and spleen. Genomic DNA blot analysis also suggests that beta-ARK may be the first sequenced member of a multigene family of receptor kinases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benovic, J L -- DeBlasi, A -- Stone, W C -- Caron, M G -- Lefkowitz, R J -- New York, N.Y. -- Science. 1989 Oct 13;246(4927):235-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Duke University Medical Center, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2552582" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cattle ; Cloning, Molecular ; *Cyclic AMP-Dependent Protein Kinases ; Molecular Sequence Data ; Multigene Family/*genetics ; Organ Specificity ; Phosphorylation ; Protein Kinases/biosynthesis/*genetics/physiology ; Receptors, Adrenergic, beta/metabolism ; Sequence Homology, Nucleic Acid ; Substrate Specificity ; beta-Adrenergic Receptor Kinases
    Print ISSN: 0036-8075
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  • 104
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    Endothelial leukocyte adhesion molecule 1: an inducible receptor for neutrophils related to complement regulatory proteins and lectins (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-03
    Description: Focal adhesion of leukocytes to the blood vessel lining is a key step in inflammation and certain vascular disease processes. Endothelial leukocyte adhesion molecule-1 (ELAM-1), a cell surface glycoprotein expressed by cytokine-activated endothelium, mediates the adhesion of blood neutrophils. A full-length complementary DNA (cDNA) for ELAM-1 has now been isolated by transient expression in COS cells. Cells transfected with the ELAM-1 clone express a surface structure recognized by two ELAM-1 specific monoclonal antibodies (H4/18 and H18/7) and support the adhesion of isolated human neutrophils and the promyelocytic cell line HL-60. Expression of ELAM-1 transcripts in cultured human endothelial cells is induced by cytokines, reaching a maximum at 2 to 4 hours and decaying by 24 hours; cell surface expression of ELAM-1 protein parallels that of the mRNA. The primary sequence of ELAM-1 predicts an amino-terminal lectin-like domain, an EGF domain, and six tandem repetitive motifs (about 60 amino acids each) related to those found in complement regulatory proteins. A similar domain structure is also found in the MEL-14 lymphocyte cell surface homing receptor, and in granule-membrane protein 140, a membrane glycoprotein of platelet and endothelial secretory granules that can be rapidly mobilized (less than 5 minutes) to the cell surface by thrombin and other stimuli. Thus, ELAM-1 may be a member of a nascent gene family of cell surface molecules involved in the regulation of inflammatory and immunological events at the interface of vessel wall and blood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bevilacqua, M P -- Stengelin, S -- Gimbrone, M A Jr -- Seed, B -- P01 HL-36028/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1160-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466335" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Adhesion ; DNA/genetics ; E-Selectin ; Endothelium, Vascular/metabolism ; Gene Expression Regulation ; Humans ; Immunoassay ; Interleukin-1/pharmacology ; *Membrane Glycoproteins ; Molecular Sequence Data ; Neutrophils/*physiology ; Nucleic Acid Hybridization ; Recombinant Proteins ; Sequence Homology, Nucleic Acid ; Transcription, Genetic ; Transfection ; Tumor Cells, Cultured ; Tumor Necrosis Factor-alpha/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 105
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    Transformation by v-sis occurs by an internal autoactivation mechanism (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-29
    Description: Transformation by the v-sis oncogene appears to require an interaction of its protein product, p28v-sis, with the receptor for the platelet-derived growth factor (PDGF). However, this interaction may not occur at the cell surface as predicted by the autocrine hypothesis because phenotypic transformation was not reversed by incubation of SSV-NRK cells with antisera to PDGF and because morphological transformation did not occur when nontransformed NRK cells were cultured continuously with p28v-sis. A mutant of the wild-type v-sis gene was constructed that encodes a v-sis protein targeted for retention within the endoplasmic reticulum and Golgi. NRK cells expressing the mutant v-sis gene did not secrete any detectable v-sis protein but were as fully transformed as wild-type v-sis transfectants. The results support a mechanism of transformation by v-sis in which internal activation of the PDGF receptor occurs before expression of either p28v-sis or the PDGF receptor at the cell surface.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bejcek, B E -- Li, D Y -- Deuel, T F -- CA49712/CA/NCI NIH HHS/ -- HL14147/HL/NHLBI NIH HHS/ -- HL31102/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Sep 29;245(4925):1496-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Jewish Hospital, Washington University Medical Center, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2551043" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Line, Transformed ; Molecular Sequence Data ; Mutation ; Oncogene Proteins v-sis ; Platelet-Derived Growth Factor/*biosynthesis ; Receptors, Cell Surface ; Receptors, Platelet-Derived Growth Factor ; Retroviridae Proteins/genetics/*physiology ; Sarcoma Virus, Woolly Monkey ; *Transformation, Genetic
    Print ISSN: 0036-8075
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  • 106
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    Activation of an excluded immunoglobulin allele in a human B lymphoma cell line (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-21
    Description: Mature B cells that express surface immunoglobulin (Ig) are usually committed to their original Ig product. It was shown that such a cell can replace its light chain by rearranging and expressing a new light chain from the other allele. Anti-idiotype antibodies were used to isolate idiotypic variants from a surface IgM+lambda+ human B cell tumor line. The variants expressed a new lambda light chain. Both the original and the new lambda transcripts were present in the variant cells, but only the new one was expressed as a protein on the cell surface. Therefore, although the cell exhibited allelic exclusion and had only one Ig receptor at a time, the commitment to a particular light chain gene was reversible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berinstein, N -- Levy, S -- Levy, R -- CA33399/CA/NCI NIH HHS/ -- CA34233/CA/NCI NIH HHS/ -- RR-01685-05/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1989 Apr 21;244(4902):337-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Stanford University Medical Center, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2496466" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Amino Acid Sequence ; Antibodies, Anti-Idiotypic ; B-Lymphocytes/immunology ; Base Sequence ; DNA/genetics ; DNA Probes ; *Genes, Immunoglobulin ; Genetic Variation ; Humans ; Immunoglobulin Idiotypes/immunology ; Immunoglobulin M/genetics ; Immunoglobulin Variable Region/genetics ; Immunoglobulin lambda-Chains/genetics ; Lymphoma/genetics/*immunology ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Transcription, Genetic ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
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  • 107
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    Phylogeny and molecular data (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1989 Jan 27;243(4890):548-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2563178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cnidaria/genetics ; *Phylogeny ; RNA, Ribosomal/*genetics ; RNA, Ribosomal, 18S/*genetics ; RNA, Ribosomal, 5S/*genetics
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  • 108
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    Cognate DNA binding specificity retained after leucine zipper exchange between GCN4 and C/EBP (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-17
    Description: Both C/EBP and GCN4 are sequence-specific DNA binding proteins that control gene expression. Recent evidence implicates C/EBP as a transcriptional regulator of genes involved in lipid and carbohydrate metabolism. The C/EBP protein binds avidly to the dyad symmetric sequence 5'-ATTGCGCAAT-3'; GCN4 regulates the transcription of genes that control amino acid biosynthesis in yeast, and binds avidly to the dyad symmetric sequence 5'-ATGA(G/C)TCAT-3'. Both C/EBP and GCN4 bind DNA via the same structural motif. This motif has been predicted to be bipartite, consisting of a dimerization interface termed the "leucine zipper" and a DNA contact surface termed the "basic region." Specificity of DNA binding has been predicted to be imparted by the basic region. As a test of this hypothesis, recombinant proteins were created wherein the basic regions and leucine zippers of GCN4 and C/EBP were reciprocally exchanged. In both of the recombinant polypeptides, DNA binding specificity is shown to track with the basic region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agre, P -- Johnson, P F -- McKnight, S L -- New York, N.Y. -- Science. 1989 Nov 17;246(4932):922-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Research Laboratories, Department of Embryology, Carnegie Institution of Washington, Baltimore, MD 21210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2530632" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; CCAAT-Enhancer-Binding Proteins ; DNA/*metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Deoxyribonuclease I ; Escherichia coli/genetics ; Fungal Proteins/genetics/*metabolism ; Genes, Fungal ; Genes, Regulator ; Molecular Sequence Data ; Neurospora crassa/genetics ; Nuclear Proteins/genetics/*metabolism ; Nucleotide Mapping ; *Protein Kinases ; *Saccharomyces cerevisiae Proteins ; Transcription Factors/genetics/*metabolism
    Print ISSN: 0036-8075
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  • 109
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    Expression of a cloned rat brain potassium channel in Xenopus oocytes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-14
    Description: Potassium channels are ubiquitous membrane proteins with essential roles in nervous tissue, but little is known about the relation between their function and their molecular structure. A complementary DNA library was made from rat hippocampus, and a complementary DNA clone (RBK-1) was isolated. The predicted sequence of the 495-amino acid protein is homologous to potassium channel proteins encoded by the Shaker locus of Drosophila and differs by only three amino acids from the expected product of a mouse clone MBK-1. Messenger RNA transcribed from RBK-1 in vitro directed the expression of potassium channels when it was injected into Xenopus oocytes. The potassium current through the expressed channels resembles both the transient (or A) and the delayed rectifier currents reported in mammalian neurons and is sensitive to both 4-aminopyridine and tetraethylammonium.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Christie, M J -- Adelman, J P -- Douglass, J -- North, R A -- DA03160/DA/NIDA NIH HHS/ -- DA03161/DA/NIDA NIH HHS/ -- DA04154/DA/NIDA NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Apr 14;244(4901):221-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vollum Institute, Oregon Health Sciences University, Portland 97201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2539643" target="_blank"〉PubMed〈/a〉
    Keywords: 4-Aminopyridine ; Amino Acid Sequence ; Aminopyridines/pharmacology ; Animals ; Base Sequence ; Brain/*metabolism ; Cloning, Molecular ; Membrane Potentials ; Membrane Proteins/genetics ; Molecular Sequence Data ; Oocytes/*metabolism ; Potassium/physiology ; Potassium Channels/drug effects/*metabolism ; Rats ; Tetraethylammonium ; Tetraethylammonium Compounds/pharmacology ; Xenopus
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