NOTCH2-ligand complex is cleaved to produce NEXT2
收藏reactome.org2025-01-22 收录
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Ligand binding induces a conformational change in NOTCH2, through mechanical pulling of NOTCH triggered by endocytosis of the receptor-attached ligand (Meloty-Kapella et al. 2012). This conformational change exposes the S2 site in the extracellular region of NOTCH2 and results in cleavage of NOTCH2 by ADAM10 metalloprotease (Gibb et al. 2010, Groot et al. 2014), generating the membrane-anchored NOTCH2 fragment NEXT2 (Shimizu et al. 2000). The extracellular NOTCH2 portion remains attached to the ligand presented on the plasma membrane of a neighboring cell.
NOTCH2受配体结合的诱导而发生构象变化,此变化通过内吞作用触发NOTCH的机械牵引实现,该内吞作用涉及受体结合的配体(Meloty-Kapella等人,2012年)。这种构象变化使NOTCH2的细胞外区域暴露出S2位点,进而导致ADAM10金属蛋白酶对NOTCH2的切割(Gibb等人,2010年;Groot等人,2014年),从而生成膜锚定的NOTCH2片段NEXT2(Shimizu等人,2000年)。NOTCH2的细胞外部分则保持与邻近细胞质膜上展示的配体的结合。
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