1.1.1.B38 NAD+ slight preference for NAD(H) versus NADP(H). Optimal activity using NADP(H) occurrs at a pH from 1 to 3 units more acidic than that observed using NAD(H). Each coenzyme acts as a competitive inhibitor of the other 1.1.1.B38 NADH - 1.1.1.B38 NADH slight preference for NAD(H) versus NADP(H). Optimal activity using NADP(H) occurrs at a pH from 1 to 3 units more acidic than that observed using NAD(H). Each coenzyme acts as a competitive inhibitor of the other 1.1.1.B38 NADP+ slight preference for NAD(H) versus NADP(H). Optimal activity using NADP(H) occurrs at a pH from 1 to 3 units more acidic than that observed using NAD(H). Each coenzyme acts as a competitive inhibitor of the other 1.1.1.B38 NADPH slight preference for NAD(H) versus NADP(H). Optimal activity using NADP(H) occurrs at a pH from 1 to 3 units more acidic than that observed using NAD(H). Each coenzyme acts as a competitive inhibitor of the other 1.1.1.B38 NADPH kinetically preferred cofactor