Description: Binding of 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate to the AP-2 complex alpha, beta and mu subunits exposes a binding site on the AP-2 complex subunit sigma (AP2S1) subunit for recruitment of CD44 antigen (CD44) via an endocytosis motif.
Participants: (1) CD44 antigen (CD44) (2) AP-2 complex subunit sigma (AP2S1)
(1) A di-hydrophobic Leu-Val motif regulates the basolateral localization of CD44 in polarized Madin-Darby canine kidney epithelial cells.Sheikh et al. J. Biol. Chem. (1996)
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