>6XNV_1|Chains A, B|CBS domain-containing protein|Listeria monocytogenes (1639) MGSSHHHHHHSSGMISNRFGQFIDNELADSMISAEKVAHVQLGNNLEHALLVLTKCGYSVIPVLDFEFKLHGLISAAMITDAILGLERIEFERLEDLKVEDVMQTDFPVIKDFNNNERIVHLLVDHPFVCVVDSDHHFEGIVTRRVVLKQVNRYIHLQVEENR