>sp|P0A274|LEXA_SALTI LexA repressor OS=Salmonella typhi GN=lexA MKALTARQQEVFDLIRDHISQTGMPPTRAEIAQRLGFRSPNAAEEHLKALARKGVLEIVS GASRGIRLLQEEEDGLPLVGRVAAGEPLLAQQHIEGHYQVDPSLFKPSADFLLRVSGMSM KDIGIMDGDLLAVHKTQDVRNGQVVVARIDDEVTVKRLKKQGNKVELLPENSEFTPIVVD LREQSFTIEGLAVGVIRNGEWL