>sp|B2U054|LUXS_SHIB3 S-ribosylhomocysteine lyase OS=Shigella boydii serotype 18 GN=luxS MPLLDSFTVDHTRMEAPAVRVAKTMNTPHGDAITVFDLRFCVPNKEVMPERGSHTLEHLF AGFMRNHLNGNGVEIIDISPMGCRTGFYMSLIGTPDEQRVADAWKAAMEDVLKVQDQNQI PELNVYQCGTYQMHSLQEAQDIARSILERDVRINSNEELALPKEKLQELHI