产品内容
本酶催化的反应为(1) ATP + (6S)-6beta-Hydroxy-1,4,5,6-Tetrahydronicotinamide-Adenine Dinucleotide = ADP + Phosphate + NADH;;(2) ATP + (6S)-6beta-Hydroxy-1,4,5,6-Tetrahydronicotinamide-Adenine Dinucleotide Phosphate = ADP + Phosphate + NADPH,系统名称为(6S)-6beta-Hydroxy-1,4,5,6-Tetrahydronicotinamide-Adenine-Dinucleotide Hydro-Lyase (ATP-Hydrolysing; NADH-Forming),对水合的NADH和水合的NADPH作用相同。NAD(P)H自发水合为(6S)-和(6R)-异构体,这些异构体由EC 5.1.99.6 NAD(P)H-水合物差向异构酶以60:40的比例相互转化 [4]。因此EC 4.2.1.93与EC 5.1.99.6一起可以将水合物混合物恢复为NAD(P)H [3,4]。与细菌酶不同(参见EC 4.2.1.136 ADP依赖性NAD(P)H-水合物脱水酶),来自真核生物的酶对ADP无活性 [4]。