3-methyl-2-oxobutanoate hydroxymethyltransferase activity
3-methyl-2-oxobutanoate hydroxymethyltransferase activity
5,10-methylene tetrahydrofolate:alpha-ketoisovalerate hydroxymethyltransferase activity
5,10-methylene tetrahydrofolate:alpha-ketoisovalerate hydroxymethyltransferase activity