1.1.1.71 5 9 aldehyde reduction, cofactor NADH, NADP dependent activity occurs only at pHs below 7 287281 1.1.1.71 5.5 7 - 287282 1.1.1.71 6 8 the enzyme shows around 50% of activity at pH 6.0, pH 6.5, and pH 8.0 737536 1.1.1.71 6 9 strain B592 287279 1.1.1.71 6.4 7.15 hexanal reduction, 95% of maximal rate 287277 1.1.1.71 7 10.5 ethanol oxidation, cofactor NAD+ 287281 1.1.1.71 9 - strain B592, gradual increase up to pH 9.0 287279