Arrestin-related trafficking adapter 10 and similar proteins
Arrestin-related trafficking adaptors (ARTs) function by targeting specific plasma membrane proteins to the endocytic system. They contain multiple PY motifs that are required for recruitment of Rsp5/Nedd4-like ubiquitin ligase which modifies the cargoes. It has been proposed that ARTs remodel the cell surface in response to environmental cues and may serve as part of a quality-control system at the plasma membrane, targeting damaged and misfolded membrane proteins for ubiquitination and subsequent degradation in the lysosome/vacuole. The specific target protein for ART10 is not yet known.
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