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Inositol-polyphosphate multikinase (, ''IpK2'', ''IP3/IP4 6-/3-kinase'', ''IP3/IP4 dual-specificity 6-/3-kinase'', ''IpmK'', ''ArgRIII'', ''AtIpk2alpha'', ''AtIpk2beta'', ''inositol polyphosphate 6-/3-/5-kinase'') is an enzyme with system name ''ATP:1D-myo-inositol-1,4,5-trisphosphate 6-phosphotransferase''. This enzyme catalyses the following chemical reaction : 2 ATP + 1D-myo-inositol 1,4,5-trisphosphate 2 ADP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate (overall reaction) :(1a) ATP + 1D-myo-inositol 1,4,5-trisphosphate ADP + 1D-myo-inositol 1,4,5,6-tetrakisphosphate :(1b) ATP + 1D-myo-inositol 1,4,5,6-tetrakisphosphate ADP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate This enzyme also phosphorylates Ins(1,4,5)P3 to Ins(1,3,4,5)P4, Ins(1,3,4,5)P4 to Ins(1,3,4,5,6)P5, and Ins(1,3,4,5,6)P4 to Ins(PP)P4, isomer unknown. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Inositol-polyphosphate multikinase」の詳細全文を読む スポンサード リンク
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