1-Phosphatidylinositol 4-Kinase

**Definition:** An enzyme that catalyzes the conversion of phosphatidylinositol (PHOSPHATIDYLINOSITOLS) to phosphatidylinositol 4-phosphate, the first committed step in the biosynthesis of phosphatidylinositol 4,5-bisphosphate.

**Tree numbers:** - D08.811.913.696.620.550

**Synonyms:** - Phosphatidylinositol Kinase Type II - Phosphoinositide Kinase - PtdIns 4-Kinase - Phosphatidylinositol 4-Kinase - PI 4-Kinase - Phosphatidylinositiol Kinase