>tr|A0A9P2QY75|A0A9P2QY75_ECOLX S-ribosylhomocysteine lyase OS=Escherichia coli O157 GN=luxS MPLLDSFTVDHTRMEAPAVRVAKTMNTPHGDAITVFDLRFCVPNKEVMPERGIHTLEHLF AGFMRNHLNGNGVEIIDISPMGCRTGFYMSLIGTPDEQRVADVWKAAMEDVLKVQDQNQI PELNVYQCGTYQMHSLQEAQDIARSILERDVRINSNEELALPKEKLQELHI