D-myo-Inositol-3,4,5-triphosphate (sodium salt) (Synonyms: Ins(3,4,5)P3, 3,4,5IP4) |
カタログ番号GC43537 |
D-ミオイノシトール1,4,5-トリフォスフェート(Ins(1,4,5)-P3)は、リン脂質酵素C(PLC)によるリン脂質イノシトール4,5-ビスリン酸の加水分解によって細胞内で生成される第二メッセンジャーです。
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Sample solution is provided at 25 µL, 10mM.
D-myo-Inositol-1,4,5-triphosphate (Ins(1,4,5)-P3) is a second messenger produced in cells by phospholipase C (PLC)-mediated hydrolysis of phosphatidyl inositol-4,5-biphosphate. Binding of Ins(1,4,5)-P3 to its receptor on the endoplasmic reticulum in opening of the calcium channels and an increase in intracellular calcium. D-myo-Inositol-3,4,5-triphosphate (Ins(3,4,5)-P3) is a structural analog of Ins(1,4,5)-P3 and a member of the inositol phosphate (InsP) cell signaling family of molecules. D-myo Ins(3,4,5)-P3 is 200-fold less potent than D-myo Ins(1,4,5)-P3 at initiating Ca++ release when injected into Xenopus oocytes. Ins(1,4,5)-P3 binds to Type 1, 2, and 3 subtypes of the rat recombinant IP3 receptor with Ki values of less than 25 nM, whereas Ins(3,4,5)-P3 exhibits significantly lower affinity with Ki values of 3-11 µM.
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