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In enzymology, a ribosylpyrimidine nucleosidase () is an enzyme that catalyzes the chemical reaction :a pyrimidine nucleoside + H2O D-ribose + a pyrimidine base Thus, the two substrates of this enzyme are pyrimidine nucleoside and H2O, whereas its two products are D-ribose and pyrimidine base. This enzyme belongs to the family of hydrolases, specifically those glycosylases that hydrolyse N-glycosyl compounds. The systematic name of this enzyme class is pyrimidine-nucleoside ribohydrolase. Other names in common use include N-ribosylpyrimidine nucleosidase, pyrimidine nucleosidase, N-ribosylpyrimidine ribohydrolase, pyrimidine nucleoside hydrolase, RihB, YeiK, and nucleoside ribohydrolase. 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「Ribosylpyrimidine nucleosidase」の詳細全文を読む スポンサード リンク
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