Compound as reactive (3)

1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate + ATP → 1D-myo-inositol 1,5-bis(diphosphate) 2,3,4,6-tetrakisphosphate + ADP

1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate + ATP → 3,5-bisdiphosphoinositol-1D-myo-inositol 2,3,4,6-tetrakisphosphate + ADP

H₂O + 1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate → 2 H⁺ + phosphate + phytate

Compound as product (1)

H⁺ + phytate + ATP → 1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate + ADP

Reversible reaction (3)

H₂O + 1D-myo-inositol 1,5-bis(diphosphate) 2,3,4,6-tetrakisphosphate ↔ H⁺ + phosphate + 1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate

1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate + 2 H+ + phosphate ↔ 4,5-bis(diphospho)-1D-myo-inositol tetrakisphosphate + H2O

1D-myoinositol 5-diphosphate 1,2,3,4,6-pentakisphosphate + 2 H+ + phosphate ↔ 5,6-bis(diphospho)-1D-myo-inositol tetrakisphosphate + H2O