GO:0016308

1-phosphatidylinositol-4-phosphate 5-kinase activity

Details: 
Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 4-phosphate + ATP = 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + ADP + 2 H(+). [EC:2.7.1.68, RHEA:14428]
Evidence Code: