9rtx
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Mammalian AP3 complex on tubular membranes (ARF1 centered Beta3-ARF1 dimer-Beta3 interface)
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Structural highlights
FunctionA0A2I3SW12_PANTR Subunit of non-clathrin- and clathrin-associated adaptor protein complex 3 (AP-3) that plays a role in protein sorting in the late-Golgi/trans-Golgi network (TGN) and/or endosomes. The AP complexes mediate both the recruitment of clathrin to membranes and the recognition of sorting signals within the cytosolic tails of transmembrane cargo molecules. AP-3 appears to be involved in the sorting of a subset of transmembrane proteins targeted to lysosomes and lysosome-related organelles. In concert with the BLOC-1 complex, AP-3 is required to target cargos into vesicles assembled at cell bodies for delivery into neurites and nerve terminals.[ARBA:ARBA00023570] Contents | ||||||||||||||||||
This page was last modified 04:59, 27 May 2026.