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Structural features of xenophagy receptors. The xenophagy receptors (selective autophagy receptors), also known as sequestome-1-like receptors, include TAX1BP1, CALCOCO2, NBR1, SQSTM1, and OPTN. PB1 (dark pink), ZZ type zinc finger domains (light blue and dark blue), coiled-coil (purple), FW domain (light purple), LC3-interacting regions (LIRs) are marked by yellow. UBA domain (light pink) and SKICH domains are marked as light green. The size of the receptors is shown.
