1.1.1.B64 D205A site-directed mutagenesis, coenzyme preference of the mutant RpXDH is partially reversed from NAD+ to NADP+, cf. EC 1.1.1.9 -, 742112 1.1.1.B64 D205A/I206R site-directed mutagenesis, coenzyme preference of the mutant RpXDH is reversed from NAD+ to NADP+, cf. EC 1.1.1.9 -, 742112