Catalysis of the reaction: ATP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate = ADP + diphospho-1D-myo-inositol tetrakisphosphate. The isomeric configuration of diphospho-1D-myo-inositol tetrakisphosphate is unknown.
Synonyms:
xref:
EC:2.7.4.21; reactome:R-HSA-1855181 "I(1,3,4,5,6)P5 is phosphorylated to 5-PP-IP4 by IP6K1/2 in the nucleus"; reactome:R-HSA-1855223 "I(1,3,4,5,6)P5 is phosphorylated to 5-PP-IP4 by IP6K1/3 in the cytosol"