Compound as reactive (1)
1D-myo-inositol 1-diphosphate 2,3,4,5,6-pentakisphosphate + ATP → 1D-myo-inositol 1,5-bis(diphosphate) 2,3,4,6-tetrakisphosphate + ADP
Compound as product (1)
H+ + phytate + ATP → 1D-myo-inositol 1-diphosphate 2,3,4,5,6-pentakisphosphate + ADP
Reversible reaction (2)
H2O + 1D-myo-inositol 1,5-bis(diphosphate) 2,3,4,6-tetrakisphosphate ↔ H+ + phosphate + 1D-myo-inositol 1-diphosphate 2,3,4,5,6-pentakisphosphate
H2O + 1D-myo-inositol 1-diphosphate 2,3,4,5,6-pentakisphosphate ↔ 2 H+ + phosphate + phytate