1.1.1.76 0.024 - (2S,3S)-butane-2,3-diol pH 7.4, 30°C 756608 1.1.1.76 0.07 - NAD+ pH 10.5 389580 1.1.1.76 0.07 - NAD+ pH 6.0 389580 1.1.1.76 0.1 - NADH pH 6.0 389580 1.1.1.76 0.22 - (S,S)-butane-2,3-diol pH 10.5 389580 1.1.1.76 0.22 - (S,S)-butane-2,3-diol pH 6.0 389580 1.1.1.76 0.44 - L-acetoin pH 6.0 389580 1.1.1.76 0.47 - (2S)-acetoin at pH 10.0 and 30°C 737478 1.1.1.76 6.26 - (2S,3S)-butane-2,3-diol pH 8.0, 25°C, recombinant wild-type enzyme 761081 1.1.1.76 7.25 - (R,R)-butane-2,3-diol at pH 10.0 and 30°C 737478