>tr|E8X8Z9|E8X8Z9_SALT4 LexA repressor OS=Salmonella typhimurium GN=lexA MKALTARQQEVFDLIRDHISQTGMPPTRAEIAQRLGFRSPNAAEEHLKALARKGVLEIVS GASRGIRLLQEEEDGLPLVGRVAAGEPLLAQQHIEGHYQVDPSLFKPSADFLLRVSGMSM KDIGIMDGDLLAVHKTQDVRNGQVVVARIDDEVTVKRLKKQGNKVELLPENSEFTPIVVD LREQSFTIEGLAVGVIRNGEWL