label: 1D-myo-inositol hexakisphosphate + phosphate + H(+) => 5-diphospho-1D-myo-inositol 1,2,3,4,6-pentakisphosphate + H2O
label_lc: 1d-myo-inositol hexakisphosphate + phosphate + h(+) => 5-diphospho-1d-myo-inositol 1,2,3,4,6-pentakisphosphate + h2o