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Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 4-diphospho-1D-myo-inositol (1,2,3,5,6)pentakisphosphate or ATP + 1D-myo-inositol hexakisphosphate = ADP + 6-diphospho-1D-myo-inositol (1,2,3,4,5)pentakisphosphate. Catalysis of the phosphorylation of inositol phosphates which possess pyrophosphate bonds. Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate (IP6) = ADP + diphospho-1D-myo-inositol-pentakisphosphate (PP-IP5; isomer unknown). Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 4-diphospho-1D-myo-inositol (1,2,3,5,6)pentakisphosphate. Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 6-diphospho-1D-myo-inositol (1,2,3,4,5)pentakisphosphate.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: inositol hexakisphosphate 4-kinase or 6-kinase activity
Acc: GO:0033187
Aspect: Molecular Function
Desc: Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 4-diphospho-1D-myo-inositol (1,2,3,5,6)pentakisphosphate or ATP + 1D-myo-inositol hexakisphosphate = ADP + 6-diphospho-1D-myo-inositol (1,2,3,4,5)pentakisphosphate.
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 2 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0033187 - inositol hexakisphosphate 4-kinase or 6-kinase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle