1.1.1.213 additional information 4-pro-(R) hydrogen is transferred from the A-face of the cofactor to the B-face of the steroid 347989 1.1.1.213 additional information 4-pro-R-hydride transfer of the nicotinamide cofactor 347988 1.1.1.213 additional information dual pyridine nucleotide specificity, cofactor binding-site is located at the NH2 terminus 347981 1.1.1.213 additional information for a number of substrates the reactions are more efficient in the presence of NADPH and NADP+ 347982 1.1.1.213 additional information R276 plays an important role in cofactor binding 654726 1.1.1.213 additional information transfer of the 4-pro-R hydrogen from A-face of cofactor to the beta-face of the steroid substrate. Different binding modes for NAD(H) and NADP(H) 347990 1.1.1.213 NAD(P)+ - 689169 1.1.1.213 NAD(P)+ A-specific 654756 1.1.1.213 NAD(P)H - 689169 1.1.1.213 NAD(P)H 1000fold lower activity with NADH compared to NADPH 673349