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  • Animals  (2)
  • Methionine/analogs & derivatives/metabolism  (1)
  • American Association for the Advancement of Science (AAAS)  (3)
  • Wiley
  • 1990-1994  (3)
  • 1970-1974
  • 1
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    Evidence from 18S ribosomal RNA sequences that lampreys and hagfishes form a natural group (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-08-07
    Description: Lampreys and hagfishes (cyclostomes) traditionally were considered to be a natural (monophyletic) group. Recently, the consensus of opinion, based largely on morphological analyses, has shifted to a view that lampreys are more closely related to jawed vertebrates (gnathostomes) than to hagfishes. Phylogenetic comparisons of 18S ribosomal RNA sequences from two hagfishes, two lampreys, a tunicate, a lancelet, and a number of gnathostomes support the monophyly of the cyclostomes. These data force a reassessment of several features of early vertebrate evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stock, D W -- Whitt, G S -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):787-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Ethology, and Evolution, University of Illinois, Urbana 61801.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1496398" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA, Ribosomal/*genetics ; Genetic Variation ; Hagfishes/classification/*genetics ; Lampreys/classification/*genetics ; Molecular Sequence Data ; Oligodeoxyribonucleotides ; *Phylogeny ; Polymerase Chain Reaction/methods ; RNA, Ribosomal, 18S/*genetics
    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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    Predicting coiled coils from protein sequences (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-24
    Description: The probability that a residue in a protein is part of a coiled-coil structure was assessed by comparison of its flanking sequences with sequences of known coiled-coil proteins. This method was used to delineate coiled-coil domains in otherwise globular proteins, such as the leucine zipper domains in transcriptional regulators, and to predict regions of discontinuity within coiled-coil structures, such as the hinge region in myosin. More than 200 proteins that probably have coiled-coil domains were identified in GenBank, including alpha- and beta-tubulins, flagellins, G protein beta subunits, some bacterial transfer RNA synthetases, and members of the heat shock protein (Hsp70) family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lupas, A -- Van Dyke, M -- Stock, J -- AI20980/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1991 May 24;252(5009):1162-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Princeton University, NJ 08544.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2031185" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acids/chemistry ; Animals ; Databases, Factual ; Humans ; Probability ; *Protein Conformation ; Proteins/chemistry/*genetics
    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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  • 3
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    Carboxyl methylation of Ras-related proteins during signal transduction in neutrophils (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-12
    Description: In human neutrophils, as in other cell types, Ras-related guanosine triphosphate-binding proteins are directed toward their regulatory targets in membranes by a series of posttranslational modifications that include methyl esterification of a carboxyl-terminal prenylcysteine residue. In intact cells and in a reconstituted in vitro system, the amount of carboxyl methylation of Ras-related proteins increased in response to the chemoattractant N-formyl-methionyl-leucyl-phenylalanine (FMLP). Activation of Ras-related proteins by guanosine-5'-O-(3-thiotriphosphate) had a similar effect and induced translocation of p22rac2 from cytosol to plasma membrane. Inhibitors of prenylcysteine carboxyl methylation effectively blocked neutrophil responses to FMLP. These findings suggest a direct link between receptor-mediated signal transduction and the carboxyl methylation of Ras-related proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Philips, M R -- Pillinger, M H -- Staud, R -- Volker, C -- Rosenfeld, M G -- Weissmann, G -- Stock, J B -- AR-07176-18/AR/NIAMS NIH HHS/ -- GM 20277/GM/NIGMS NIH HHS/ -- GM-8309/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1993 Feb 12;259(5097):977-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, New York University Medical Center, NY 10016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8438158" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Membrane/metabolism ; Cytosol/metabolism ; GTP-Binding Proteins/*metabolism ; *Guanine Nucleotide Dissociation Inhibitors ; Guanosine 5'-O-(3-Thiotriphosphate)/pharmacology ; Guanosine Triphosphate/pharmacology ; Humans ; Methionine/analogs & derivatives/metabolism ; Methylation ; N-Formylmethionine Leucyl-Phenylalanine/pharmacology ; Neutrophils/*physiology ; Protein Methyltransferases/metabolism ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins p21(ras)/metabolism ; S-Adenosylmethionine/metabolism ; Signal Transduction/*physiology ; Tritium ; rap GTP-Binding Proteins ; rho-Specific Guanine Nucleotide Dissociation Inhibitors
    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)
    Location Call Number Expected Availability
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