Involved in endocytosis and intracellular vesicle trafficking, both during interphase and at the end of mitosis . Required for efficient progress through mitosis and cytokinesis . Required for normal formation of the cleavage furrow at the end of mitosis . Plays a role in endocytosis via clathrin-coated pits, but also clathrin-independent, actin-dependent fluid-phase endocytosis . Plays a role in macropinocytosis . Binds to membranes enriched in phosphatidylinositol 4,5-bisphosphate and promotes membrane tubulation . Stimulates the GTPase activity of DNM2 . Promotes DNM2 location at the plasma membrane . Together with DNM2, involved in autophagosome assembly by regulating trafficking from recycling endosomes of phospholipid scramblase ATG9A .
Endomembrane system ; Peripheral membrane protein ; Cytoplasmic side . Endosome membrane ; Peripheral membrane protein ; Cytoplasmic side . Recycling endosome membrane ; Peripheral membrane protein ; Cytoplasmic side . Cell membrane ; Peripheral membrane protein ; Cytoplasmic side . Cytoplasmic vesicle membrane ; Peripheral membrane protein ; Cytoplasmic side . Localized at sites of endocytosis at the cell membrane (PubMed:18411244). Detected on newly formed macropinosomes (PubMed:21048941). Partially colocalized with clathrin and dynamin at the cell membrane (PubMed:20427313). Transiently recruited to clathrin-coated pits at a late stage of clathrin-coated vesicle formation (PubMed:18411244). .
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