IUBMB Enzyme Nomenclature


Accepted name: 1-phosphatidylinositol-3-phosphate 5-kinase

Reaction: ATP + 1-phosphatidyl-1D-myo-inositol 3-phosphate = ADP + 1-phosphatidyl-1D-myo-inositol 3,5-bisphosphate

For diagram click here.

Other name(s): type III PIP kinase; phosphatidylinositol 3-phosphate 5-kinase

Systematic name: ATP:1-phosphatidyl-1D-myo-inositol-3-phosphate 5-phosphotransferase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Cooke, F.T., Dove, S.K., McEwen, R.K., Painter, G., Holmes, A.B., Hall, M.N., Michell, R.H. and Parker, P.J. The stress-activated phosphatidylinositol 3-phosphate 5-kinase Fab1p is essential for vacuole function in S. cerevisiae. Curr. Biol. 9 (1998) 1219-1222. [PMID: 9811604]

[EC created 2002]

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