>tr|O63613|O63613_BALCA Cytochrome c oxidase subunit 2 OS=Balanoglossus carnosus OX=35080 PE=3 SV=1 MATWAQLGFQDAASPIMEELIYFHDHALVILTLVTIIVFYGLISLITNSFTNRFLLEGQE IETIWTIIPAIILIFLALPSLRLLYLMDEINDPHLTIKAIGHQWYWSYEYTDYQDLEFDS YMVPTQDLTPGQPRLLEVDNRLVAPTHSPVRVLVTSADVLHSWAIPALGLKMDAVPGRLN QLTFFAPRSGVFYGQCSEICGANHSFMPIVLESVPLPYFENWVSSLVE