The Enzyme Database

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Accepted name: 1-phosphatidylinositol 4-kinase
Reaction: ATP + 1-phosphatidyl-1D-myo-inositol = ADP + 1-phosphatidyl-1D-myo-inositol 4-phosphate
For diagram of 1-phosphatidyl-myo-inositol metabolism, click here
Glossary: 1-phosphatidyl-1D-myo-inositol = PtdIns
1-phosphatidyl-1D-myo-inositol 4-phosphate = PtdIns4P
Other name(s): phosphatidylinositol kinase (phosphorylating); phosphatidylinositol 4-kinase; phosphatidylinositol kinase; type II phosphatidylinositol kinase; PI kinase; PI 4-kinase
Systematic name: ATP:1-phosphatidyl-1D-myo-inositol 4-phosphotransferase
Comments: This reaction is catalysed by at least two different isoforms.
Links to other databases: BRENDA, EXPASY, GTD, KEGG, MetaCyc, CAS registry number: 37205-54-2
1.  Colodzin, M. and Kennedy, E.P. Biosynthesis of diphosphoinositide in brain. J. Biol. Chem. 240 (1965) 3771–3780. [PMID: 4284712]
2.  Kai, M., White, G.L. and Hawthorne, J.N. The phosphatidylinositol kinase of rat brain. Biochem. J. 101 (1966) 328–337. [PMID: 4290722]
3.  Walker, D.H., Dougherty, N. and Pike, L.J. Purification and characterization of a phosphatidylinositol kinase from A431 cells. Biochemistry 27 (1988) 6504–6511. [PMID: 2851325]
4.  Whitman, M., Downes, C.P., Keeler, M., Keller, T. and Cantley, L. Type I phosphatidylinositol kinase makes a novel inositol phospholipid, phosphatidylinositol-3-phosphate. Nature 332 (1988) 644–646. [PMID: 2833705]
5.  Barylko, B., Gerber, S.H., Binns, D.D., Grichine, N., Khvotchev, M., Sudhof, T.C. and Albanesi, J.P. A novel family of phosphatidylinositol 4-kinases conserved from yeast to humans. J. Biol. Chem. 276 (2001) 7705–7708. [PMID: 11244087]
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