>sp|P49895-2|IOD1_HUMAN Isoform 2 of Type I iodothyronine deiodinase OS=Homo sapiens OX=9606 GN=DIO1 MGLPQPGLWLKRLWVLLEVAVHVVVGKVLLILFPDRVKRNILAMGEKTGNRPLVLNFGSC TUPSFMFKFDQFKRLIEDFSSIADFLVIYIEEAHASDGWAFKNNMDIRNHQNLQDRLQAA HLLLARSPQCPVVVDTMQNQSSQLYAALPERLYIIQEGRILYKGKSGPWNYNPEEVRAVL EKLHS