Reaction catalyzed by 3-methyl-2-oxobutanoate hydroxymethyltransferase (2.1.2.11)
+
=
+
+
H2O
tetrahydropteroylpentaglutamate
+
2-dehydropantoate
=
5,10-methylenetetrahydropteroylpentaglutamate
+
3-methyl-2-oxobutanoate
+
H2O
