>sp|Q6PHW0-4|IYD1_HUMAN Isoform 4 of Iodotyrosine deiodinase 1 OS=Homo sapiens OX=9606 GN=IYD MYFLTPILVAILCILVVWIFKNADRSMEKKKGEPRTRAEARPWVDEDLKDSSDLHQAEED ADEWQESEENVEHIPFSHNHYPEKEMVKRSQEFYELLNKRRSVRFISNEQVPMEVIDNVI RTAGTAPSGAHTEPWTFVVVKDPDVKHKIRKIIEEEEEINYMKRMGHRWVTDLKKLRTNW IKEYLDTAPILILIFKQVHGFAANGKKKVHYYNEISVSIACGILLAALQVNNGITMRHQT ARHRHLIEGPGRSSEACSKLSSQGCPECRSGDCHYHSSQLWPSTEGAPGPPRT