Crystal structure of ketoreductase from Lactobacillus kefir, E145S mutant

Origins of stereoselectivity in evolved ketoreductases.

NADPH dependent R-specific alcohol dehydrogenase

HHHHHHHHGGLVPRGSHGGSMTDRLKGKVAIVTGGTLGIGLAIADKFVEEGAKVVITGRHADVGEKAAKSIGGTDVIRFV
QHDASDEAGWTKLFDTTEEAFGPVTTVVNNAGIAVSKSVEDTTTEEWRKLLSVNLDGVFFGTRLGIQRMKNKGLGASIIN
MSSISGFVGDPTLGAYNASKGAVRIMSKSAALDCALKDYDVRVNTVHPGYIKTPLVDDLEGAEEMMSQRTKTPMGHIGEP
NDIAWICVYLASDESKFATGAEFVVDGGYTAQ

0.2 M magnesium chloride, 0.1 M Bis-Tris, pH 5.5, 13% w/v PEG3350, VAPOR DIFFUSION, HANGING DROP, temperature 277K

MTDRLKGKVAIVTGGTLGIGLAIADKFVEEGAKVVITGRHADVGEKAAKSIGGTDVIRFVQHDASDEAGWTKLFDTTEEA
FGPVTTVVNNAGIAVSKSVEDTTTEEWRKLLSVNLDGVFFGTRLGIQRMKNKGLGASIINMSSIEGFVGDPTLGAYNASK
GAVRIMSKSAALDCALKDYDVRVNTVHPGYIKTPLVDDLEGAEEMMSQRTKTPMGHIGEPNDIAWICVYLASDESKFATG
AEFVVDGGYTAQ