>sp|P18984|HBB_BALAC Hemoglobin subunit beta OS=Balaenoptera acutorostrata GN=HBB VHLTAEEKSAVTALWAKVNVEEVGGEALGRLLVVYPWTQRFFEAFGDLSTADAVMKNPKV KAHGKKVLASFSDGLKHLDDLKGTFATLSELHCDKLHVDPENFRLLGNVLVIVLARHFGK EFTPELQAAYQKVVAGVANALAHKYH