The Serine Protease EspC from Enteropathogenic Escherichia coli Regulates Pore Formation and Cytotoxicity Mediated by the Type III Secretion System.

Type III secretion systems (T3SSs) are specialized macromolecular machines critical for bacterial virulence, and allowing the injection of bacterial effectors into host cells.The T3SS-dependent injection process requires the prior insertion of a protein complex, the translocon, into host cell membranes consisting NUT of two-T3SS hydrophobic protein

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