a ) Pd PDH, polyol dehydrogenase fromParacoccus denitrificans ; b ) One unit is defined as the amount of protein that produces or consumes 1 µM of NAD(H)/NADP(H) per second; c ) n.a. = no measurable activity.
Table 2. Kinetic parameters of Pd PDH mutants determined with NAD+ or NADP+ using galactitol as substrate in excess.