AP3S1(redirected from AP-3 complex subunit sigma-1)
AP3S1A gene on chromosome 5q22 that encodes a subunit of the heterotetrameric AP3 complex, an adaptor-related protein complex composed of two large subunits (delta and beta), a medium subunit (mu), and a small subunit (sigma). AP3 plays a role in protein sorting in the late-Golgi/trans-Golgi network (TGN) and/or endosomes and in trafficking to lysosomes.
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