inositol hexakisphosphate 5-kinase activity
Catalysis of the reaction: 1D-myo-inositol hexakisphosphate + ATP = 5-diphospho-1D-myo-inositol 1,2,3,4,6-pentakisphosphate + ADP.
GO:0000828
inositol hexakisphosphate kinase activity
is_a
ATP:1D-myo-inositol-hexakisphosphate 5-phosphotransferase activity
exact