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