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In enzymology, a methenyltetrahydromethanopterin cyclohydrolase () is an enzyme that catalyzes the chemical reaction :5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H2O 5-formyl-5,6,7,8-tetrahydromethanopterin Thus, the two substrates of this enzyme are 5,10-methenyl-5,6,7,8-tetrahydromethanopterin and H2O, whereas its product is 5-formyl-5,6,7,8-tetrahydromethanopterin. This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in cyclic amidines. The systematic name of this enzyme class is 5,10-methenyltetrahydromethanopterin 10-hydrolase (decyclizing). Other names in common use include 5,10-methenyltetrahydromethanopterin cyclohydrolase, N5,N10-methenyltetrahydromethanopterin cyclohydrolase, and methenyl-H4MPT cyclohydrolase. This enzyme participates in folate biosynthesis. ==References== * 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「Methenyltetrahydromethanopterin cyclohydrolase」の詳細全文を読む スポンサード リンク
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