Reaction catalyzed by inositol-polyphosphate multikinase (2.7.1.151)
3
ATP
+
2
=
3
ADP
+
+
3 ATP
+
2 1D-myo-inositol 1,4,5-trisphosphate
=
3 ADP
+
1D-myo-inositol 1,3,4,5-tetrakisphosphate
+
1D-myo-inositol 1,3,4,5,6-pentakisphosphate
