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Type IX secretion system protein PorV This entry represents the PorV protein. The Bacteroidete T9SS contains at least 15 proteins. PorQ, PorU, PorV and PorZ form a cell surface-exposed attachment complex that proteolytically removes the substrate CTD following transport and covalently links some substrate proteins to a lipopolysaccharide anchor. A pool of PorV proteins in the outer membrane is thought to shuttle substrate proteins from the translocon to the attachment complex. The PorV protein has a membrane beta barrel topology. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",