inositol-1,2,3,4,6-pentakisphosphate 5-kinase activity https://github.com/geneontology/go-ontology/issues/28385 1D-myo-inositol-pentakisphosphate 5-kinase activity MetaCyc:RXN-7186 inositol-pentakisphosphate 5-kinase activity molecular_function Catalysis of the reaction: 1D-myo-inositol 1,2,3,4,6-pentakisphosphate + ATP = 1D-myo-inositol hexakisphosphate + ADP + H+. 1D-myo-inositol-1,2,3,4,6-heptakisphosphate 5-kinase activity GO:0102732 inositol pentakisphosphate kinase activity