Clathrin-coated vesicles (CCVs) originating from the trans-Golgi network (TGN) provide a major transport pathway from the secretory system to endosomes/lysosomes. Clavesin 1 and 2 (CLVS1 and 2) are enriched on CCVs and form a complex with clathrin heavy chain (CHC) and adaptor protein-1 (AP1) complex, major coat components of TGN-derived CCVs. The complex can bind phosphatidylinositol 3,5-bisphosphate (PIP2), a phospholipid localised to late endosomes and lysosomes. This interaction is thought to assist the transport of cytosolic cargo proteins to the endosomal network (Katoh et al. 2009).
Katoh, Y, Ritter, B, Gaffry, T, Blondeau, F, Höning, S, McPherson, PS
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