>5YCJ_1|Chains A, B|Ancestral myoglobin aMbWb' of Basilosaurus relative (polyphyly)|Physeter catodon (9755) GSHMGLSDGEWQLVLNIWGKVEADVAGHGQDVLIRLFKGHPETLEKFDKFKHLKTEAEMKASEDLKKHGNTVLTALGGILKKKGHHEAELKPLAQSHATKHKIPIKYLEFISDAIIHVLHSRHPGDFGADAQGAMNKALELFRKDIAAKYKELGFQG