Bacterioferritin Cytochrome b-557 bfr 159 Cytochrome b-1 May perform analogous functions in iron detoxification and storage to that of animal ferritins (By similarity). MKGDKKIIAHLNKLLGNELVAINQYFLHARMFKNWGLMRLNDKEYHESIDEMKHADRYIERILFLEGIPNLQDLGKLNIGEDIEEMLRSDLALELAGAKNLREGIAYADSIHDYVSRDLMIDILADEEEHIDWLETELDLIARLGIQNYAQAQILERKE BFR_SERMA