产品内容
本酶催化的反应为(1) ATP + 1D-Myo-Inositol 5-Diphosphate 1,2,3,4,6-Pentakisphosphate = ADP + 1D-Myo-Inositol 1,5-Bis(diphosphate) 2,3,4,6-Tetrakisphosphate;; (2) ATP + 1D-Myo-Inositol Hexakisphosphate = ADP + 1D-Myo-Inositol 1-Diphosphate 2,3,4,5,6-Pentakisphosphate,系统名称为ATP:1D-Myo-Inositol-5-Diphosphate-Pentakisphosphate 1-Phosphotransferase,该酶被渗透冲击激活 [4]。Ins(1,3,4,5,6)P5、1D-myo-肌醇二磷酸四磷酸和 1D-myo-肌醇双二磷酸三磷酸均非底物 [4]。该酶特异性地磷酸化底物的 1 位 [6]。