Annotations: 6CXU

Structure of the S167H mutant of human indoleamine 2,3 dioxygenase in complex with tryptophan and cyanide

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6cxub_	All alpha proteins	Indolic compounds 2,3-dioxygenase-like	Indolic compounds 2,3-dioxygenase-like	Indoleamine 2,3-dioxygenase-like	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d6cxua_	All alpha proteins	Indolic compounds 2,3-dioxygenase-like	Indolic compounds 2,3-dioxygenase-like	Indoleamine 2,3-dioxygenase-like	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8039469	3001961	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	indolic compounds 2, 3-dioxygenase-like	8039469	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)
B	Y_phosphatase	e6cxuB1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Y_phosphatase	ECOD (v295)
A	Neur_chan_LBD	e6cxuA1	A: alpha arrays	X: Major facilitator superfamily (MFS) general substrate transporter	H: Major facilitator superfamily (MFS) general substrate transporter	T: Major facilitator superfamily (MFS) general substrate transporter	F: Neur_chan_LBD	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.58.480	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	1.20.58.480	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01231	Indoleamine 2,3-dioxygenase (IDO)	Indoleamine 2,3-dioxygenase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Indoleamine 2,3-dioxygenase 1	oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity indoleamine 2,3-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity binding tetrapyrrole binding heme binding electron transfer activity L-tryptophan 2,3-dioxygenase activity cation binding ion binding metal ion binding oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity indoleamine 2,3-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity binding tetrapyrrole binding heme binding electron transfer activity L-tryptophan 2,3-dioxygenase activity cation binding ion binding metal ion binding small molecule binding	immune system process quinolinate metabolic process oxoacid metabolic process small molecule biosynthetic process dicarboxylic acid metabolic process pyridine-containing compound biosynthetic process carboxylic acid metabolic process carboxylic acid biosynthetic process quinolinate biosynthetic process biosynthetic process pyridine-containing compound metabolic process metabolic process cellular process small molecule metabolic process immune system process quinolinate metabolic process oxoacid metabolic process small molecule biosynthetic process dicarboxylic acid metabolic process pyridine-containing compound biosynthetic process carboxylic acid metabolic process carboxylic acid biosynthetic process quinolinate biosynthetic process biosynthetic process pyridine-containing compound metabolic process metabolic process cellular process small molecule metabolic process dicarboxylic acid biosynthetic process NAD+ biosynthetic process nucleotide biosynthetic process indole-containing compound metabolic process amino acid metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process phosphorus metabolic process NAD+ metabolic process pyridine nucleotide biosynthetic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process aromatic amino acid metabolic process 'de novo' NAD+ biosynthetic process from L-tryptophan primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process L-amino acid metabolic process purine-containing compound metabolic process nicotinamide nucleotide biosynthetic process proteinogenic amino acid metabolic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process purine nucleotide biosynthetic process multi-multicellular organism process multicellular organismal process reproductive process female pregnancy multi-organism reproductive process aromatic amino acid catabolic process catabolic process L-amino acid catabolic process L-tryptophan catabolic process proteinogenic amino acid catabolic process indole-containing compound catabolic process carboxylic acid catabolic process small molecule catabolic process amino acid catabolic process regulation of leukocyte apoptotic process regulation of lymphocyte apoptotic process regulation of biological process regulation of cellular process positive regulation of programmed cell death positive regulation of lymphocyte apoptotic process leukocyte apoptotic process regulation of apoptotic process biological regulation positive regulation of biological process regulation of programmed cell death cell death positive regulation of apoptotic process positive regulation of T cell apoptotic process lymphocyte apoptotic process regulation of T cell apoptotic process T cell apoptotic process apoptotic process programmed cell death positive regulation of leukocyte apoptotic process positive regulation of cellular process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol stereocilium bundle cluster of actin-based cell projections smooth muscle contractile fiber intracellular membraneless organelle intracellular organelle organelle membraneless organelle contractile muscle fiber supramolecular fiber supramolecular polymer cellular anatomical structure intracellular anatomical structure cytoplasm cytosol stereocilium bundle cluster of actin-based cell projections smooth muscle contractile fiber intracellular membraneless organelle intracellular organelle organelle membraneless organelle contractile muscle fiber supramolecular fiber supramolecular polymer supramolecular complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR037217	Tryptophan/Indoleamine 2,3-dioxygenase-like	Homologous Superfamily
A, B	IPR000898	Indoleamine 2,3-dioxygenase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	: P14902	endometriosis Neoplasm Recurrence, Local obesity disorder breast cancer breast carcinoma psoriasis tuberculosis cancer cutaneous lupus erythematosus interstitial cystitis lung cancer sarcoidosis ulcerative colitis cystic fibrosis depressive disorder endometriosis Neoplasm Recurrence, Local obesity disorder breast cancer breast carcinoma psoriasis tuberculosis cancer cutaneous lupus erythematosus interstitial cystitis lung cancer sarcoidosis ulcerative colitis cystic fibrosis depressive disorder head and neck cancer invasive ductal breast carcinoma lung carcinoma neurodegenerative disease ovarian cancer Sjogren syndrome Crohn disease juvenile dermatomyositis

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.