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单词 pyrophosphatase
释义 pyrophosphatase Biochem.|paɪrəʊˈfɒsfəteɪz, -s|
[f. pyrophosphate s.v. pyro- 3 a + -ase.]
Any enzyme which hydrolyses pyrophosphate esters or ions, or pyrophosphoric acid; inorganic pyrophosphatase, an enzyme capable of hydrolysing the free acid or its ions, liberating orthophosphate.
1928H. D. Kay in Biochem. Jrnl. XXII. 1446 Both kidney extract and takadiastase..contain, therefore, a pyrophosphatase.Ibid. 1448 Pyrophosphatase is widely distributed in mammalian tissues.1951Jrnl. Biol. Chem. CXCII. 87 Bauer..found that autolysates of slowly dried bottom yeast were a rich source of inorganic pyrophosphatase.1970R. W. McGilvery Biochem. xi. 209 The inorganic pyrophosphate..is in turn hydrolyzed by the ubiquitous inorganic pyrophosphatase with an additional liberation of free energy.1976Soil Biol. & Biochem. VIII. 391/1 An assay procedure for soil pyrophosphatase activity.
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