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Catalysis of the reaction: ATP + 1-phosphatidyl-1D-myo-inositol = ADP + 1-phosphatidyl-1D-myo-inositol 3-phosphate. Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to an alcohol group (acceptor). Catalysis of the addition of a phosphate group to an inositol lipid at the 3' position of the inositol ring to generate the 3-phosphoinositides: phosphatidylinositol-3-phosphate [PI(3)P], phosphatidylinositol-3,4-bisphosphate [PI(3,4)P2] and phosphatidylinositol-3,4,5-trisphosphate [PI(3,4,5)P3]. Catalysis of the phosphorylation of a simple or complex lipid. Catalysis of the phosphorylation of myo-inositol (1,2,3,5/4,6-cyclohexanehexol) or a phosphatidylinositol.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: 1-phosphatidylinositol-3-kinase activity
Acc: GO:0016303
Aspect: Molecular Function
Desc: Catalysis of the reaction: ATP + 1-phosphatidyl-1D-myo-inositol = ADP + 1-phosphatidyl-1D-myo-inositol 3-phosphate.
Synonyms:
  • 1-phosphatidylinositol 3-kinase activity
  • phosphatidylinositol 3-kinase activity, class II
  • phosphatidylinositol 3-kinase activity, class III
  • ATP:1-phosphatidyl-1D-myo-inositol 3-phosphotransferase activity
  • PtdIns-3-kinase activity
  • type III phosphoinositide 3-kinase activity
  • GO:0004429
  • PI3K
  • PI3-kinase activity
  • phosphatidylinositol 3-kinase activity
  • Vps34p
  • phosphatidylinositol 3-kinase, class I, catalyst activity
  • phosphatidylinositol 3-kinase activity, class I
  • type I phosphatidylinositol kinase activity
Proteins in PDR annotated with:
   This term: 69 [Search]
   Term or descendants: 69 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0016303 - 1-phosphatidylinositol-3-kinase activity (interactive image map)

YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle