>sp|Q8X902|LUXS_ECO57 S-ribosylhomocysteine lyase OS=Escherichia coli O157:H7 GN=luxS MPLLDSFTVDHTRMEAPAVRVAKTMNTPHGDAITVFDLRFCVPNKEVMPERGIHTLEHLF AGFMRNHLNGNGVEIIDISPMGCRTGFYMSLIGTPDEQRVADVWKAAMEDVLKVQDQNQI PELNVYQCGTYQMHSLQEAQDIARSILERDVRINSNEELALPKEKLQELHI