GO:0052724

inositol hexakisphosphate 3-kinase activity

Details: 
Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 3-diphospho-1D-myo-inositol (1,2,4,5,6)pentakisphosphate. [GOC:jp, PMID:18981179]
Evidence Code: 
IEA