label: 3-methyl-2-oxobutanoate hydroxymethyltransferase activity
label_lc: 3-methyl-2-oxobutanoate hydroxymethyltransferase activity
description: "Catalysis of the reaction: 5,10-methylenetetrahydrofolate + 3-methyl-2-oxobutanoate = tetrahydrofolate + 2-dehydropantoate."