Inositol-trisphosphate 3-kinase A

Definition:

Catalyzes the phosphorylation of 1D-myo-inositol 1,4,5-trisphosphate (InsP3) into 1D-myo-inositol 1,3,4,5-tetrakisphosphate and participates to the regulation of calcium homeostasis.

References:

[1]. K Takazawa, et al. Molecular cloning and expression of a human brain inositol 1,4,5-trisphosphate 3-kinase. Biochem Biophys Res Commun. 1991 Jan 31;174(2):529-35. [Content Brief]

[2]. Beatriz González, et al. Structure of a human inositol 1,4,5-trisphosphate 3-kinase: substrate binding reveals why it is not a phosphoinositide 3-kinase. Mol Cell. 2004 Sep 10;15(5):689-701. [Content Brief]

[3]. Valérie Dewaste, et al. The three isoenzymes of human inositol-1,4,5-trisphosphate 3-kinase show specific intracellular localization but comparable Ca2+ responses on transfection in COS-7 cells. Biochem J. 2003 Aug 15;374(Pt 1):41-9. [Content Brief]

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