label: 5-diphosphoinositol pentakisphosphate 6-kinase activity
label_lc: 5-diphosphoinositol pentakisphosphate 6-kinase activity
description: "Catalysis of the reaction: ATP + 5-diphospho-1D-myo-inositol (1,2,3,4,6)pentakisphosphate = ADP + 5,6-bisdiphosphoinositol-1D-myo-inositol (1,2,3,4)tetrakisphosphate."