>sp|P69215|COX3_BRALA Cytochrome c oxidase subunit 3 OS=Branchiostoma lanceolatum GN=COIII MTGYQPHPWHLVEPSPWPLVGGSAAFTLTVGLVMWFHYNSISLMILGLVMIVATMIQWWR DVIREATFQGCHTSYVLSGLRRGMVLFIVSEVFFFLAFFWAFFHSSLAPTVELGVTWPPV GVHPLNAFAVPLLNTAVLLSSGVTVTWAHHALMEGKRTEAIQSLAITVMLGLYFTGLQAW EYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLMVCLGRQVFYHYTSSHHFGFEAAA WYWHFVDVVWLFLYVCIYWWGS