label: ML-236A carboxylate + (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] => mevinic carboxylate + holo-[2-methylbutanoate polyketide synthase]
label_lc: ml-236a carboxylate + (s)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] => mevinic carboxylate + holo-[2-methylbutanoate polyketide synthase]