>sp|P22765|HEMTB_LINUN Hemerythrin subunit beta OS=Lingula unguis MKIPVPYAWTPDFKTTYENIDSEHRTLFNGLFALSEFNTQHQLNAAIEVFTLHFHDEQGQ MIRSNYVNTKEHTDIHNGFMDTMRGWQSPVPQKALKDGMEWLANHIPTEDFKYKGKL