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In enzymology, a nucleoside-diphosphatase () is an enzyme that catalyzes the chemical reaction :a nucleoside diphosphate + H2O a nucleotide + phosphate Thus, the two substrates of this enzyme are nucleoside diphosphate and H2O, whereas its two products are nucleotide and phosphate. This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides in phosphorus-containing anhydrides. The systematic name of this enzyme class is nucleoside-diphosphate phosphohydrolase. Other names in common use include thiaminpyrophosphatase, UDPase, inosine diphosphatase, adenosine diphosphatase, IDPase, ADPase, adenosinepyrophosphatase, guanosine diphosphatase, guanosine 5'-diphosphatase, inosine 5'-diphosphatase, uridine diphosphatase, uridine 5'-diphosphatase, nucleoside diphosphate phosphatase, type B nucleoside diphosphatase, GDPase, CDPase, nucleoside 5'-diphosphatase, type L nucleoside diphosphatase, NDPase, and nucleoside diphosphate phosphohydrolase. This enzyme participates in purine metabolism and pyrimidine metabolism. ==Structural studies== As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes and . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nucleoside-diphosphatase」の詳細全文を読む スポンサード リンク
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