The endosomal sorting complexes required for transport (ESCRT) proteins are part of a pathway inside cells that helps sort and move other proteins. One of their main jobs is to form structures called multivesicular bodies (MVBs) which help sending of certain proteins, especially ones tagged for removal, to compartments in the cell called lysosomes where they get broken down.
The endosomal sorting complexes required for transport (ESCRT) proteins are part of a pathway inside cells that helps sort and move other proteins. One of their main jobs is to form structures called multivesicular bodies (MVBs) which help sending of certain proteins, especially ones tagged for removal, to compartments in the cell called lysosomes where they get broken down.
The ESCRT system is made up of five separate cytosolic, peripheral membrane protein complexes, known as ESCRT-0, ESCRT-I, ESCRT-II, ESCRT-III and Vps4. Together with a number of accessory proteins, these ESCRT complexes enable a unique mode of membrane remodeling that results in membranes budding away from the cytoplasm. These ESCRT components have been isolated and studied in a number of organisms including yeast and humans.
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