Annotations: 9ESD

Holo TDO with a bound inhibitor

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD 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	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8087369	3001961	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8087369	3001961	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8087369	3001961	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8087369	3001961	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	WD40	e9esdD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: WD40	ECOD (v295)
C	WD40	e9esdC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: WD40	ECOD (v295)
B	WD40	e9esdB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: WD40	ECOD (v295)
A	RRM_1	e9esdA01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: RRM_1	ECOD (v295)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Tryptophan 2,3-dioxygenase	binding tetrapyrrole binding heme 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	pigmentation eye pigmentation developmental pigmentation compound eye pigmentation pigment metabolic process ocellus pigment metabolic process pigment biosynthetic process ocellus pigment biosynthetic process secondary metabolic process pigment metabolic process involved in pigmentation eye pigment metabolic process secondary metabolite biosynthetic process biosynthetic process ocellus pigmentation pigmentation eye pigmentation developmental pigmentation compound eye pigmentation pigment metabolic process ocellus pigment metabolic process pigment biosynthetic process ocellus pigment biosynthetic process secondary metabolic process pigment metabolic process involved in pigmentation eye pigment metabolic process secondary metabolite biosynthetic process biosynthetic process ocellus pigmentation ommochrome metabolic process pigment metabolic process involved in developmental pigmentation metabolic process cellular process eye pigment biosynthetic process ommochrome biosynthetic process aromatic amino acid catabolic process catabolic process aromatic amino acid metabolic process oxoacid metabolic process L-amino acid catabolic process carboxylic acid metabolic process indole-containing compound metabolic process amino acid metabolic process primary metabolic process L-tryptophan catabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process proteinogenic amino acid catabolic process indole-containing compound catabolic process carboxylic acid catabolic 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	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

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

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.