>sp|P49895-3|IOD1_HUMAN Isoform 3 of Type I iodothyronine deiodinase OS=Homo sapiens OX=9606 GN=DIO1 MGLPQPGLWLKRLWVLLEVAVHVVVGKVLLILFPDRVKRNILAMGEKTGMTRNPHFSHDN WIPTFFSTQYFWFVLKVIGHWCUILEVVPDLHLCSNLTSSRGLLKTLVP