Annotations: 4TR4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	T4_deiodinase	e4tr4A1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: T4_deiodinase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00837	Iodothyronine deiodinase (T4_deiodinase)	Iodothyronine deiodinase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Type III iodothyronine deiodinase	oxidoreductase activity oxidoreductase activity, acting on X-H and Y-H to form an X-Y bond thyroxine 5'-deiodinase activity catalytic activity thyroxine 5-deiodinase activity	fat cell proliferation cell population proliferation brown fat cell proliferation cellular process retinal cell apoptotic process neuron apoptotic process retinal cone cell apoptotic process apoptotic process cell death programmed cell death biosynthetic process regulation of hormone levels biological regulation metabolic process fat cell proliferation cell population proliferation brown fat cell proliferation cellular process retinal cell apoptotic process neuron apoptotic process retinal cone cell apoptotic process apoptotic process cell death programmed cell death biosynthetic process regulation of hormone levels biological regulation metabolic process regulation of biological quality hormone biosynthetic process hormone metabolic process response to decreased oxygen levels response to stimulus response to hypoxia response to stress response to oxygen levels response to abiotic stimulus developmental process regulation of multicellular organism growth multicellular organismal process regulation of biological process regulation of growth regulation of developmental growth regulation of developmental process developmental growth growth positive regulation of biological process positive regulation of multicellular organism growth positive regulation of developmental process multicellular organism growth positive regulation of growth positive regulation of multicellular organismal process regulation of multicellular organismal process positive regulation of developmental growth catabolic process modified amino acid metabolic process modified amino acid catabolic process thyroid hormone metabolic process phenol-containing compound catabolic process phenol-containing compound metabolic process thyroid hormone catabolic process hormone catabolic process cellular developmental process sensory organ development photoreceptor cell differentiation visual system development retina development in camera-type eye cell development neural retina development eye morphogenesis multicellular organism development neurogenesis neuron differentiation cell differentiation retinal cone cell differentiation eye photoreceptor cell differentiation anatomical structure development animal organ morphogenesis sensory system development system development photoreceptor cell development camera-type eye morphogenesis eye development eye photoreceptor cell development animal organ development retinal cone cell development nervous system development camera-type eye photoreceptor cell differentiation generation of neurons retina morphogenesis in camera-type eye anatomical structure morphogenesis sensory organ morphogenesis neuron development camera-type eye development	endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR027252	Iodothyronine deiodinase I/III	Family
A	IPR008261	Iodothyronine deiodinase, active site	Active Site
A	IPR000643	Iodothyronine deiodinase	Family
A	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.