a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate) + ATP = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-4,5-bisphosphate) + ADP + H(+)
a 1,2-diacyl-sn-glycero-3-phospho-(1d-myo-inositol 4-phosphate) + atp = a 1,2-diacyl-sn-glycero-3-phospho-(1d-myo-inositol-4,5-bisphosphate) + adp + h(+)
"phosphatidylinositol 4-phosphate kinase"
"phosphatidylinositol 4-phosphate kinase"