Reaction catalyzed by (S,S)-butanediol dehydrogenase (1.1.1.76)
+
NADPH
=
+
+
NADP+
(R,S)-acetoin
+
NADPH
=
(2S,3S)-2,3-butanediol
+
meso-2,3-butanediol
+
NADP+
