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In enzymology, a 3-methyl-2-oxobutanoate hydroxymethyltransferase () is an enzyme that catalyzes the chemical reaction :5,10-methylenetetrahydrofolate + 3-methyl-2-oxobutanoate + H2O tetrahydrofolate + 2-dehydropantoate The 3 substrates of this enzyme are 5,10-methylenetetrahydrofolate, 3-methyl-2-oxobutanoate, and H2O, whereas its two products are tetrahydrofolate and 2-dehydropantoate. This enzyme belongs to the family of transferases that transfer one-carbon groups, specifically the hydroxymethyl-, formyl- and related transferases. The systematic name of this enzyme class is 5,10-methylenetetrahydrofolate:3-methyl-2-oxobutanoate hydroxymethyltransferase. Other names in common use include alpha-ketoisovalerate hydroxymethyltransferase, dehydropantoate hydroxymethyltransferase, ketopantoate hydroxymethyltransferase, oxopantoate hydroxymethyltransferase, 5,10-methylene tetrahydrofolate:alpha-ketoisovalerate, and hydroxymethyltransferase. This enzyme participates in pantothenate and coa biosynthesis. ==Structural studies== As of late 2007, 4 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「3-methyl-2-oxobutanoate hydroxymethyltransferase」の詳細全文を読む スポンサード リンク
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