label: 1-phosphatidylinositol-5-kinase activity
label_lc: 1-phosphatidylinositol-5-kinase activity
description: "Catalysis of the reaction: a 1-phosphatidyl-1D-myo-inositol + ATP = a 1-phosphatidyl-1D-myo-inositol 5-phosphate + ADP + H+."