Article
Phosphorylation-independent ubiquitylation and endocytosis of Fc gammaRIIA.
The Journal of biological chemistry - 3 Nov 2006
Mero Patricia, Zhang Christine Y, Huang Zhen-Yu, Kim Moo-Kyung, Schreiber Alan D, Grinstein Sergio, Booth James W
Abstract excerpt
Endocytosis of the Fc receptor Fc gammaRIIA depends on a functional ubiquitin conjugation system, and the receptor becomes ubiquitylated upon ligand binding. Phosphorylation of tyrosines in Fc gammaRIIA by Src family kinases is thought to be the initiating event in its signaling. However, although the Src family kinase inhibitor PP1 inhibited both ligand-induced phosphorylation of Fc gammaRIIA and phagocytosis in...
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