H

Hydroxyethylthiazole kinase
Thiazole synthase
Adenosylhomocysteinase
6,7-dimethyl-8-ribityllumazine synthase
3,4-dihydroxy-2-butanone 4-phosphate synthase
Pyridoxine 5'-phosphate synthase
Pantothenate synthetase
3-methyl-2-oxobutanoate hydroxymethyltransferase
Cyclic pyranopterin monophosphate synthase accessory protein
S-adenosylmethionine synthase