“Inhibitors specific for the NADP(H)-site, e.g., palmitoyl-Coenzyme A and adenosine-2'-monophosphate-5'-diphosphoribose , strongly inhibited the reduction of AcPyAD+ by NADH , whereas an inhibitor of the NAD(H)-site, adenosine 5'-diphosphoribose, was less inhibitory.”