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Catalysis of the reaction: ATP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate = ADP + diphospho-1D-myo-inositol tetrakisphosphate (isomeric configuration unknown). Catalysis of the phosphorylation of inositol phosphates which possess pyrophosphate bonds. Catalysis of the reaction: ATP + diphospho-1D-myo-inositol-pentakisphosphate (PP-IP5; isomer unknown) = ADP + bis(diphospho)-1D-myo-inositol-tetrakisphosphate (bis-PP-IP4; isomer unknown). Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate (IP6) = ADP + diphospho-1D-myo-inositol-pentakisphosphate (PP-IP5; isomer unknown). Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule. Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to a phosphate group (acceptor). Catalysis of the phosphorylation of myo-inositol (1,2,3,5/4,6-cyclohexanehexol) or a phosphatidylinositol. Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to another (acceptor).

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: inositol pyrophosphate synthase activity
Acc: GO:0000826
Aspect: Molecular Function
Desc: Catalysis of the phosphorylation of inositol phosphates which possess pyrophosphate bonds.
Synonyms:
  • inositol diphosphate synthase activity
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 5 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0000826 - inositol pyrophosphate synthase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle