FSRB_ENTFA May be involved in the proteolytic processing of a quorum sensing system signal molecule precursor required for the regulation of the virulence genes for gelatinase (gelE) and a serine protease (sprE) (By similarity). Protein FsrB MLIDWILKNIMDMDQEDQSGKTQWTKYYLTVYFSGLFNLLMILILSVLFGTLSETFIVYVVLIFLRPVAGGWHAKTKWLCRLESIVIYVAIPFVLKNSSVSLPFIYKILLMCLLVVLFYWYAPQGTAIEPVQPSDLNVLKKQSLIRVCLLILCSLFVKEKIASVILYGLVIQGLMILPVTKNLIEGSVFMKFGKKIIKNVIEKRVAKVSDGVGTKPRLNQNSPNIFGQWMGQTEKPKKNIEK 242 AgrBfs fsrB EF_1821