ID 2.7.1.134 DE inositol-tetrakisphosphate 1-kinase. AN 1D-myo-inositol-tetrakisphosphate 1-kinase. AN 1D-myo-inositol-trisphosphate 5-kinase. AN 1D-myo-inositol-trisphosphate 6-kinase. AN inositol-trisphosphate 5-kinase. AN inositol-trisphosphate 6-kinase. CA 1D-myo-inositol 3,4,5,6-tetrakisphosphate + ATP = 1D-myo-inositol CA 1,3,4,5,6-pentakisphosphate + ADP + H(+). CC -!- This enzyme also phosphorylates Ins(1,3,4)P3 on O-5 and O-6. CC -!- The phosphotransfer from ATP to either inositol 1,3,4-trisphosphate CC or inositol 3,4,5,6-tetrakisphosphate appears to be freely reversible CC to the extent that the enzyme can act like an inositol polyphosphate CC phosphatase in the presence of ADP. CC -!- It can also catalyze an isomerization between Ins(1,3,4,5)P4 and CC Ins(1,3,4,6)P4 in the presence of ADP. CC -!- The enzymes from animals and plants also have the activity of CC EC 2.7.1.159. CC -!- Formerly EC 2.7.1.133 and EC 2.7.1.139. DR Q9SBA5, ITPK1_ARATH; P0C0T1, ITPK1_BOVIN; Q5F480, ITPK1_CHICK; DR Q7ZU91, ITPK1_DANRE; Q9XYQ1, ITPK1_ENTH1; Q13572, ITPK1_HUMAN; DR Q84Y01, ITPK1_MAIZE; Q8BYN3, ITPK1_MOUSE; A2Z4C5, ITPK1_ORYSI; DR Q33BI9, ITPK1_ORYSJ; A7X657, ITPK1_SOYBN; Q7SY78, ITPK1_XENLA; DR O81893, ITPK2_ARATH; B8AJL9, ITPK2_ORYSI; Q10PL5, ITPK2_ORYSJ; DR A7X665, ITPK2_SOYBN; Q9SUG3, ITPK3_ARATH; B8AR41, ITPK3_ORYSI; DR Q75GI4, ITPK3_ORYSJ; A7X672, ITPK3_SOYBN; A2X4M8, ITPK4_ORYSI; DR Q6K7B8, ITPK4_ORYSJ; A7X680, ITPK4_SOYBN; A0JJZ6, ITPK5_ORYSI; DR Q7XBW0, ITPK5_ORYSJ; B8BDK0, ITPK6_ORYSI; Q0J0B2, ITPK6_ORYSJ; //