>tr|D5RCR5|D5RCR5_FUSN2 B12 binding domain protein OS=Fusobacterium nucleatum subsp. nucleatum GN=kamE MSSGLYSTEKRDFDTTLDLTQIRPYGDTMNDGKVQMSFTLPVACNEKGIEAALQLARKMG FVNPAVAFSEALDKEFSFYVVYGATSFSVDYTAIKVQALEIDTMDMHECEKYIEENFGRE VVMVGASTGTDAHTVGIDAIMNMKGYAGHYGLERYKGVRAYNLGSQVPNEEFIKKAIELK ADALLVSQTVTQKDVHIENLTNLVELLEAEGLRDKIILIAGGARITNDLAKELGYDAGFG PGKYADDVATFILKEMVQRGMNK