Title : A diacidic motif in human immunodeficiency virus type 1 Nef is a novel determinant of binding to AP-2.

Pub. Date : 2008 Feb

PMID : 18032517






3 Functional Relationships(s)
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1 CD4 downregulation depends on a conserved (D/E)XXXL(L/I)-type dileucine motif in the C-terminal, flexible loop of Nef, which mediates binding to the clathrin adaptor complexes AP-1, AP-2, and AP-3. dileucine S100 calcium binding protein B Homo sapiens
2 We also show that a dileucine motif from tyrosinase, both in its native context and in the context of Nef, can bind to AP-2 independently of a diacidic motif. dileucine S100 calcium binding protein B Homo sapiens
3 These results thus identify a novel type of AP-2 interaction determinant, support the notion that AP-2 is the key clathrin adaptor for the downregulation of CD4 by Nef, and reveal a previously unrecognized diversity among dileucine sorting signals. dileucine S100 calcium binding protein B Homo sapiens