>sp|Q35539|COX3_PETMA Cytochrome c oxidase subunit 3 OS=Petromyzon marinus GN=MT-CO3
MSHQAHAYHMVDPSPWPLTGAGAALLMTSGLAMWFHKNSCILMTLGLILMLLTMYQWWRD
IVREGTFLGHHTSPVQQGLRYGMILFIISEVCFFAGFFWAFYHASLAPTPELGLTWPPTG
INPLNPFEVPLLNTAVLLASGVSVTWAHHSITEKNRTETTQALTLTVLLGLYFTALQIME
YYETPFTMADGVYGSTFFVATGFHGLHVIIGSLFLLTCLLRHLQYHFTSKHHFGFEAAAW
YWHFVDVVWLFLYISIYWWGS