>tr|A0A1W6IZB4|A0A1W6IZB4_SQUBR Cytochrome c oxidase subunit 2 OS=Squalus brevirostris GN=COX2 MAHPSQLGFQDAASPVMEELLHFHDHTLMIVFLISTLVLYIIMAMVSTKLTNKYILDSQE IEIVWTILPAVILIMIALPSLRILYLMDEINDPHLTIKAMGHQWYWSYEYTDYEDLGFDS YMIQTQDLTPGQFRLLETDHRMVVPMESPIRVLVSAEDVLHSWTVPALGVKMDAVPGRLN QTAFIISRPGVYYGQCSEICGANHSFMPIVVEAVPLEHFESWSSLMLEEA