Annotations: 9TN8

cryo-EM structure of human Tryptophan 2,3-dioxygenase (TDO2)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth B]	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8098710	3001961	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8098710	3001961	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8098710	3001961	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8098710	3001961	SCOP2B (2022-06-29)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth D], C, D [auth B]	Tryptophan 2,3-dioxygenase	binding tetrapyrrole binding heme binding amino acid binding oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity L-tryptophan 2,3-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding ion binding metal ion binding small molecule binding binding tetrapyrrole binding heme binding amino acid binding oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity L-tryptophan 2,3-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding ion binding metal ion binding small molecule binding identical protein binding protein binding	response to stimulus response to chemical response to oxygen-containing compound response to nitroglycerin response to nitrogen compound response to ketone response to lipid response to endogenous stimulus response to glucocorticoid response to corticosteroid response to hormone response to steroid hormone response to dexamethasone aromatic amino acid catabolic process response to stimulus response to chemical response to oxygen-containing compound response to nitroglycerin response to nitrogen compound response to ketone response to lipid response to endogenous stimulus response to glucocorticoid response to corticosteroid response to hormone response to steroid hormone response to dexamethasone aromatic amino acid catabolic process catabolic process aromatic amino acid metabolic process oxoacid metabolic process carboxylic acid metabolic process indole-containing compound metabolic process amino acid metabolic process primary metabolic process L-tryptophan catabolic process proteinogenic amino acid metabolic process proteinogenic amino acid catabolic process indole-containing compound catabolic process carboxylic acid catabolic process metabolic process cellular process small molecule metabolic process small molecule catabolic process amino acid catabolic process protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis response to alcohol response to cortisol response to ethanol	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth D], C, D [auth B]	IPR037217	Tryptophan/Indoleamine 2,3-dioxygenase-like	Homologous Superfamily
A, B [auth D], C, D [auth B]	IPR004981	Tryptophan 2,3-dioxygenase	Family