1.1.1.303 diacetyl slight substrate inhibition, physiologically irrelevant 746 1.1.1.303 dipicolinate inhibition, (R)-2,3-butanediol dehydrogenase activity 4005 1.1.1.303 EDTA inhibition, (R)-2,3-butanediol dehydrogenase activity 21 1.1.1.303 o-phenanthroline inhibition, (R)-2,3-butanediol dehydrogenase activity 239