##gff-version 3 O42449 UniProtKB Chain 1 248 . . . ID=PRO_0000154316;Note=Type I iodothyronine deiodinase O42449 UniProtKB Transmembrane 7 29 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 O42449 UniProtKB Active site 126 126 . . . . O42449 UniProtKB Non-standard residue 126 126 . . . Note=Selenocysteine