>sp|Q5I3B1|IOD3_BOVIN Thyroxine 5-deiodinase OS=Bos taurus GN=DIO3 MSRQAAPRWVVGEGRGTLGGAATMLRSLLLHSLRLCSQTASCLVLFPRFLGTAFMLWLLD FLCIRKHLLGRRRRGQPEIEVELNSDGEEVPPDDPPVCVSDDNRLCTLASLRAVWHGQKL DFFKQAHEGGPAPNSEVVLPDGFQNQHILDYARGNRPLVLNFGSCTUPPFMARMSAFQRL VTKYQRDVDFLIIYIEEAHPSDGWVTTDSPYSIPQHRSLEDRVSAARVLQQGAPECALVL DTMTNSSSSAYGAYFERLYIIQSGTIMYQGGRGPDGYQVSEVRTWLERYDEQLHGPQPRR V