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单词 Inositol triphosphate
释义

Inositol triphosphate

英语百科

Inositol trisphosphate

IP3 anion with oxygen atoms(red) and the hydrogen atoms(dark blue) involved in docking to the InsP3R labelled
PLC cleavage of PIP2 to IP3 and DAG initiates intracellular calcium release and PKC activation.

Inositol trisphosphate or inositol 1,4,5-trisphosphate (also commonly known as triphosphoinositol; abbreviated InsP3 or Ins3P or IP3), together with diacylglycerol (DAG), is a secondary messenger molecule used in signal transduction and lipid signaling in biological cells. While DAG stays inside the membrane, IP3 is soluble and diffuses through the cell. It is made by hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2), a phospholipid that is located in the plasma membrane, by phospholipase C (PLC).

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更新时间:2025/6/21 1:36:49