>sp|Q57GZ0|LEXA_SALCH LexA repressor OS=Salmonella choleraesuis GN=lexA MKALTARQQEVFDLIRDHISQTGMPPTRAEIAQRLGFRSPNAAEEHLKALARKGVLEIVS GASRGIRLLQEEEDGLPLVGRVAAGEPLLAQQHIEGHYQVDPSLFKPSADFLLRVSGMSM KDIGIMDGDLLAVHKTQDVRNGQVVVARIDDEVTVKRLKKQGNKVELLPENSEFTPIVVD LREQSFTIEGLAVGVIRNGEWL