| Adenosine-5'-tetraphosphate and guanosine-5'-tetraphosphate: new substrates of the cytosolic exopolyphosphatase of the yeast Saccharomyces cerevisiae. | |
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MedLine Citation:
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PMID: 9457767 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A cytosolic preparation of Saccharomyces cerevisiae is capable of hydrolyzing adenosine-5'-tetraphosphate and guanosine-5'-tetraphosphate with activities which are 1.5-2 times greater than that with polyP15. The apparent K(m) values for hydrolysis of adenosine-5'-tetraphosphate and guanosine-5'-tetraphosphate are 100 and 80 microM, respectively. A comparative study of inhibitors shows that these activities are inherent characteristics of these exopolyphosphatases. |
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Authors:
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T V Kulakovskaya; N A Andreeva; I S Kulaev |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Biochemistry. Biokhimii͡a Volume: 62 ISSN: 0006-2979 ISO Abbreviation: Biochemistry Mosc. Publication Date: 1997 Sep |
Date Detail:
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Created Date: 1998-04-01 Completed Date: 1998-04-01 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0376536 Medline TA: Biochemistry (Mosc) Country: RUSSIA |
Other Details:
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Languages: eng Pagination: 1051-2 Citation Subset: IM |
Affiliation:
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Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region, Russia. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acid Anhydride Hydrolases
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metabolism* Adenine Nucleotides / metabolism* Cytosol / enzymology Enzyme Inhibitors / metabolism Guanosine Tetraphosphate / metabolism* Heparin / metabolism Hydrolysis Kinetics Saccharomyces cerevisiae / enzymology* Sodium Fluoride / metabolism |
| Chemical | |
Reg. No./Substance:
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0/Adenine Nucleotides; 0/Enzyme Inhibitors; 1062-98-2/adenosine 5'-tetraphosphate; 33503-72-9/Guanosine Tetraphosphate; 7681-49-4/Sodium Fluoride; 9005-49-6/Heparin; EC 3.6.-/Acid Anhydride Hydrolases; EC 3.6.1.11/exopolyphosphatase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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