6-diphospho-1D-myo-inositol pentakisphosphate + H2O = 1D-myo-inositol hexakisphosphate + phosphate + H(+)
6-diphospho-1d-myo-inositol pentakisphosphate + h2o = 1d-myo-inositol hexakisphosphate + phosphate + h(+)