Role of mammalian vacuolar protein-sorting proteins in endocytic trafficking of a non-ubiquitinated G protein-coupled receptor to lysosomes.

Abstract excerpt

Many signaling receptors require covalent modification by ubiquitin for agonist-induced down-regulation via endocytic trafficking to lysosomes, a process that is mediated by a conserved set of endosome-associating proteins also required for vacuolar protein-sorting (VPS) in yeast. The delta opioid receptor (DOR) is a G protein-coupled receptor that can undergo agonist-induced proteolysis via endocytic trafficking...

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