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. (mesh:D019870)
| Synonym | Reference | Specificity |
| phosphatidylinositol 4-kinase | Exact | |
| PI4K | Exact |
| Identifier | Name | Relation |
| HGNC:8983 | PI4KA | isa |
| HGNC:8984 | PI4KB | isa |