>sp|Q3YYH1|LUXS_SHISS S-ribosylhomocysteine lyase OS=Shigella sonnei GN=luxS MPLLDSFTVDHTRMEAPAVRVAKTMNTPHGDAITVFDLRFCVPNKEVMPERGIHTLEHLF AGFMRNHLNGNGVEIIDISPMGCRTGFYMSLIGTPDEQRVADAWKAAMEDVLKVQDQNQI PELNVYQCGTYQMHSLQEAQDIARSILERDVRINSNEELALPKEKLQELHI