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  • 1
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    Regional localization of the gene for human phosphoribosylpyrophosphate synthetase on the X chromosome (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-09
    Description: Sixty-eight independent hybrid clones were isolated after irradiated normal human lymphocytes were fused with Chinese hamster fibroblasts lacking hypoxanthine-guanine phosphoribosyltransferase activity. The cells were grown under selective conditions requiring retention of the X chromosome-linked locus for human hypoxanthine-guanine phosphoribosyltransferase. The frequency and patterns of cotransference of human phosphoribosylpyrophosphate synthetase with the selected marker and with additional X-linked enzymatic markers confirm X linkage of the structural gene for human phosphoribosylpyrophosphate synthetase and support assignment of this gene to a position on the long arm of the X, between the loci for alpha-galactosidase and hypoxanthine-guanine phosphoribosyltransferase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, M A -- Yen, R C -- Itkin, P -- Goss, S J -- Seegmiller, J E -- Bakay, B -- New York, N.Y. -- Science. 1979 Mar 9;203(4384):1016-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/218284" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; Female ; Genetic Linkage ; Humans ; Hybrid Cells ; Hypoxanthine Phosphoribosyltransferase/genetics ; Phosphotransferases/*genetics ; Ribose-Phosphate Pyrophosphokinase/*genetics ; *Sex Chromosomes ; *X Chromosome
    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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    The enzymatic synthesis of 5-amino-4-imidazolecarboxamide riboside triphosphate (ZTP) (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-16
    Description: 5-Amino-4-imidazolecarboxamide riboside triphosphate (ZTP) is thought to play a regulatory role in cellular metabolism. Unlike other nucleoside triphosphates, ZTP is synthesized in a one-step reaction in which the pyrophosphate group of 5-phosphoribosyl-l-pyrophosphate is transferred to the riboside monophosphate (ZMP) in a reaction catalyzed by 5-phosphoribosyl-l-pyrophosphate synthetase; reversal of this reaction leads to dephosphorylation of ZTP to ZMP. This unusual route of synthesis (and catabolism) of ZTP may be important in defining its metabolic effects in the cell.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sabina, R L -- Holmes, E W -- Becker, M A -- AM12413/AM/NIADDK NIH HHS/ -- AM28554/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1984 Mar 16;223(4641):1193-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6199843" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Aminoimidazole Carboxamide/analogs & derivatives/*biosynthesis/pharmacology ; Animals ; Cell Line ; Cricetinae ; Imidazoles/*biosynthesis ; Kinetics ; Phosphoribosyl Pyrophosphate/metabolism ; Phosphorylation ; Ribonucleosides/pharmacology ; Ribonucleotides/*biosynthesis ; Ribose-Phosphate Pyrophosphokinase/metabolism ; Substrate Specificity
    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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