Annotations: 8XSB

Crystal structure of the DNA-bound AHR-ARNT heterodimer in complex with Indirubin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8088404	3000471	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	UCR_hinge	e8xsbB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: UCR_hinge	ECOD (v295.2)
A	UCR_hinge	e8xsbA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: UCR_hinge	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00989	PAS fold (PAS)	PAS fold	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya. This domain can bind gases (O2, CO and NO), FAD, 4-hydroxycinnamic acid and NAD+ [5 ...	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya. This domain can bind gases (O2, CO and NO), FAD, 4-hydroxycinnamic acid and NAD+ [5].	Domain
B	PF00010	Helix-loop-helix DNA-binding domain (HLH)	Helix-loop-helix DNA-binding domain		Domain
B	PF08447	PAS fold (PAS_3)	PAS fold	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya.	Domain
A	PF00989	PAS fold (PAS)	PAS fold	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya. This domain can bind gases (O2, CO and NO), FAD, 4-hydroxycinnamic acid and NAD+ [5 ...	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya. This domain can bind gases (O2, CO and NO), FAD, 4-hydroxycinnamic acid and NAD+ [5].	Domain
A	PF00010	Helix-loop-helix DNA-binding domain (HLH)	Helix-loop-helix DNA-binding domain		Domain
A	PF14598	PAS domain (PAS_11)	PAS domain	This family includes the PAS-B domain of NCOA1 (Nuclear receptor coactivator 1), which binds to an LXXLL motif in the C-terminal region of STAT6 (Signal transducer and activator of transcription 6) [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	DNAR	-	-	-
C	DNAF	-	-	-
B	Aryl hydrocarbon receptor	TFIID-class transcription factor complex binding transcription factor binding RNA polymerase binding protein binding binding RNA polymerase II complex binding general transcription initiation factor binding RNA polymerase core enzyme binding enzyme binding RNA polymerase II general transcription initiation factor binding Hsp90 protein binding heat shock protein binding DNA binding sequence-specific DNA binding TFIID-class transcription factor complex binding transcription factor binding RNA polymerase binding protein binding binding RNA polymerase II complex binding general transcription initiation factor binding RNA polymerase core enzyme binding enzyme binding RNA polymerase II general transcription initiation factor binding Hsp90 protein binding heat shock protein binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding protein heterodimerization activity protein dimerization activity cis-regulatory region sequence-specific DNA binding transcription coregulator binding transcription coactivator binding TBP-class protein binding nuclear receptor activity DNA-binding transcription factor activity, RNA polymerase II-specific molecular transducer activity transcription regulator activity DNA-binding transcription factor activity signaling receptor activity ligand-modulated transcription factor activity	cellular response to stimulus response to 2,3,7,8-tetrachlorodibenzodioxine cellular response to chemical stimulus response to stimulus response to chemical cellular response to 2,3,7,8-tetrachlorodibenzodioxine cellular process regulation of defense response regulation of biological process regulation of response to external stimulus negative regulation of inflammatory response defense response negative regulation of response to stimulus biological regulation cellular response to stimulus response to 2,3,7,8-tetrachlorodibenzodioxine cellular response to chemical stimulus response to stimulus response to chemical cellular response to 2,3,7,8-tetrachlorodibenzodioxine cellular process regulation of defense response regulation of biological process regulation of response to external stimulus negative regulation of inflammatory response defense response negative regulation of response to stimulus biological regulation negative regulation of biological process response to external stimulus regulation of inflammatory response regulation of response to stimulus response to stress negative regulation of response to external stimulus regulation of response to stress negative regulation of defense response inflammatory response response to toxic substance cellular response to nitrogen compound response to organophosphorus response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP cellular response to oxygen-containing compound cellular response to cAMP biological process involved in interspecies interaction between organisms response to other organism cellular response to molecule of bacterial origin response to biotic stimulus cellular response to biotic stimulus response to bacterium response to external biotic stimulus response to molecule of bacterial origin cellular response to xenobiotic stimulus metabolic process xenobiotic metabolic process response to xenobiotic stimulus multicellular organismal process regulation of cellular process regulation of leukocyte activation regulation of cell activation lymphocyte activation leukocyte proliferation leukocyte activation regulation of B cell proliferation lymphocyte proliferation regulation of B cell activation regulation of immune system process regulation of multicellular organismal process regulation of lymphocyte proliferation regulation of leukocyte proliferation cell population proliferation B cell activation cell activation B cell proliferation regulation of cell population proliferation mononuclear cell proliferation immune system process regulation of mononuclear cell proliferation regulation of lymphocyte activation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of immune effector process T cell mediated immunity regulation of response to biotic stimulus negative regulation of response to biotic stimulus immune response to tumor cell negative regulation of immune response to tumor cell negative regulation of response to tumor cell negative regulation of lymphocyte mediated immunity regulation of response to tumor cell T cell mediated immune response to tumor cell negative regulation of T cell mediated immune response to tumor cell regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of T cell mediated immune response to tumor cell leukocyte mediated immunity regulation of T cell mediated immunity response to tumor cell immune response regulation of adaptive immune response negative regulation of immune response negative regulation of immune effector process regulation of immune response to tumor cell negative regulation of adaptive immune response adaptive immune response immune effector process negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of leukocyte mediated immunity regulation of lymphocyte mediated immunity negative regulation of immune system process regulation of immune response negative regulation of leukocyte mediated immunity negative regulation of T cell mediated immunity RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process response to ketone response to lipid response to alcohol cellular response to forskolin cellular response to alcohol response to forskolin cellular response to lipid cellular response to ketone	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex aryl hydrocarbon receptor complex nuclear protein-containing complex nuclear aryl hydrocarbon receptor complex signaling receptor complex intracellular protein-containing complex
A	Aryl hydrocarbon receptor nuclear translocator	transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding DNA binding sequence-specific DNA binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding DNA binding sequence-specific DNA binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding protein heterodimerization activity protein dimerization activity transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription factor activity, RNA polymerase II-specific identical protein binding protein homodimerization activity nuclear receptor activity molecular transducer activity signaling receptor activity ligand-modulated transcription factor activity signaling receptor binding aryl hydrocarbon receptor binding DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity	ribonucleotide catabolic process pyridine nucleotide catabolic process aerobic respiration regulation of cellular process oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process regulation of generation of precursor metabolites and energy nucleoside phosphate catabolic process regulation of primary metabolic process regulation of ATP metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process regulation of purine nucleotide catabolic process ribonucleotide catabolic process pyridine nucleotide catabolic process aerobic respiration regulation of cellular process oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process regulation of generation of precursor metabolites and energy nucleoside phosphate catabolic process regulation of primary metabolic process regulation of ATP metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process regulation of purine nucleotide catabolic process positive regulation of nucleotide catabolic process regulation of small molecule metabolic process glycolytic process regulation of nucleotide metabolic process pyridine-containing compound metabolic process small molecule metabolic process regulation of nucleobase-containing compound metabolic process purine ribonucleotide catabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process pyruvate metabolic process regulation of carbohydrate catabolic process regulation of biological process positive regulation of phosphorus metabolic process purine nucleoside diphosphate metabolic process primary metabolic process purine-containing compound catabolic process nucleotide metabolic process regulation of purine nucleotide metabolic process nucleobase-containing compound catabolic process positive regulation of ATP metabolic process nucleoside diphosphate metabolic process purine nucleoside diphosphate catabolic process nucleoside diphosphate catabolic process metabolic process regulation of phosphorus metabolic process regulation of nucleotide catabolic process positive regulation of carbohydrate metabolic process nucleoside triphosphate metabolic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process regulation of metabolic process pyridine-containing compound catabolic process ribose phosphate metabolic process cellular respiration ATP metabolic process catabolic process energy derivation by oxidation of organic compounds positive regulation of nucleotide metabolic process positive regulation of purine nucleotide catabolic process positive regulation of biological process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process ribonucleoside diphosphate metabolic process ribonucleoside diphosphate catabolic process regulation of carbohydrate metabolic process positive regulation of cellular process nucleotide catabolic process purine nucleoside triphosphate metabolic process carbohydrate metabolic process purine nucleotide catabolic process carbohydrate derivative catabolic process positive regulation of glycolytic process biological regulation ADP catabolic process carboxylic acid metabolic process generation of precursor metabolites and energy regulation of catabolic process regulation of glycolytic process purine-containing compound metabolic process positive regulation of purine nucleotide metabolic process positive regulation of catabolic process ADP metabolic process organophosphate metabolic process purine ribonucleoside diphosphate metabolic process cellular process positive regulation of small molecule metabolic process purine ribonucleoside diphosphate catabolic process regulation of protein sumoylation regulation of protein modification process positive regulation of protein metabolic process peptidyl-lysine modification positive regulation of post-translational protein modification positive regulation of protein modification process positive regulation of macromolecule metabolic process protein metabolic process regulation of protein modification by small protein conjugation or removal protein modification process positive regulation of protein modification by small protein conjugation or removal regulation of post-translational protein modification regulation of protein metabolic process regulation of macromolecule metabolic process protein sumoylation macromolecule modification macromolecule metabolic process positive regulation of protein sumoylation post-translational protein modification protein modification by small protein conjugation protein modification by small protein conjugation or removal multicellular organismal process positive regulation of macromolecule biosynthetic process positive regulation of biosynthetic process regulation of cytokine production cytokine production regulation of multicellular organismal process regulation of vascular endothelial growth factor production regulation of biosynthetic process gene expression macromolecule biosynthetic process regulation of gene expression vascular endothelial growth factor production biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process positive regulation of vascular endothelial growth factor production regulation of macromolecule biosynthetic process positive regulation of cytokine production response to decreased oxygen levels cellular response to stimulus response to stimulus cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels cellular response to chemical stimulus cellular response to stress response to hypoxia response to stress response to chemical response to oxygen levels response to abiotic stimulus positive regulation of cell communication cellular response to growth factor stimulus positive regulation of signal transduction signaling regulation of signal transduction cell surface receptor protein tyrosine kinase signaling pathway cell communication regulation of vascular endothelial growth factor receptor signaling pathway positive regulation of response to stimulus cellular response to endogenous stimulus signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling cell surface receptor signaling pathway response to endogenous stimulus regulation of cellular response to growth factor stimulus vascular endothelial growth factor receptor signaling pathway regulation of response to stimulus positive regulation of vascular endothelial growth factor receptor signaling pathway regulation of cell communication response to growth factor positive regulation of signaling regulation of defense response regulation of response to external stimulus negative regulation of inflammatory response defense response negative regulation of response to stimulus negative regulation of biological process response to external stimulus regulation of inflammatory response negative regulation of response to external stimulus regulation of response to stress negative regulation of defense response inflammatory response positive regulation of hormone metabolic process regulation of hormone biosynthetic process regulation of hormone metabolic process regulation of hormone levels hormone metabolic process positive regulation of hormone biosynthetic process regulation of biological quality hormone biosynthetic process response to oxidative stress cellular response to oxidative stress cellular response to chemical stress cellular response to xenobiotic stimulus xenobiotic metabolic process response to xenobiotic stimulus cellular developmental process regulation of developmental process homeostatic process cell development regulation of cell differentiation regulation of cell development positive regulation of developmental process multicellular organism development positive regulation of cell differentiation cell differentiation anatomical structure development regulation of immune system process myeloid cell homeostasis erythrocyte homeostasis developmental process regulation of multicellular organismal development hemopoiesis regulation of myeloid cell differentiation erythrocyte differentiation regulation of erythrocyte differentiation positive regulation of erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation immune system process positive regulation of myeloid cell differentiation regulation of hemopoiesis homeostasis of number of cells RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process nucleic acid metabolic process regulation of DNA-templated transcription cell population proliferation positive regulation of cell population proliferation endothelial cell proliferation positive regulation of epithelial cell proliferation regulation of endothelial cell proliferation regulation of cell population proliferation positive regulation of endothelial cell proliferation regulation of epithelial cell proliferation epithelial cell proliferation positive regulation of DNA-templated transcription positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle cytoplasm membrane-enclosed lumen intracellular organelle lumen RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle cytoplasm membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen membraneless organelle intracellular membraneless organelle chromatin chromosome aryl hydrocarbon receptor complex nuclear aryl hydrocarbon receptor complex signaling receptor complex intracellular protein-containing complex nuclear body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR033348	Aryl hydrocarbon receptor, basic helix-loop-helix domain	Domain
B	IPR013655	PAS fold 3	Domain
B	IPR039091	Aryl hydrocarbon receptor/Aryl hydrocarbon receptor repressor	Family
B	IPR013767	PAS fold	Domain
B	IPR000014	PAS domain	Domain
B	IPR011598	Myc-type, basic helix-loop-helix (bHLH) domain	Domain
B	IPR035965	PAS domain superfamily	Homologous Superfamily
B	IPR001610	PAC motif	Repeat
B	IPR036638	Helix-loop-helix DNA-binding domain superfamily	Homologous Superfamily
A	IPR050933	Circadian Clock Transcription Factors	Family
A	IPR013767	PAS fold	Domain
A	IPR001067	Nuclear translocator	Family
A	IPR000014	PAS domain	Domain
A	IPR011598	Myc-type, basic helix-loop-helix (bHLH) domain	Domain
A	IPR035965	PAS domain superfamily	Homologous Superfamily
A	IPR001610	PAC motif	Repeat
A	IPR036638	Helix-loop-helix DNA-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P27540	melanoma Neoplasms, Experimental cirrhosis of liver endometriosis colorectal cancer cutaneous melanoma malignant mesothelioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis squamous cell carcinoma heart disease large cell medulloblastoma osteosarcoma skin basal cell carcinoma drug-induced liver injury melanoma Neoplasms, Experimental cirrhosis of liver endometriosis colorectal cancer cutaneous melanoma malignant mesothelioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis squamous cell carcinoma heart disease large cell medulloblastoma osteosarcoma skin basal cell carcinoma drug-induced liver injury metabolic syndrome X ovarian cancer atypical teratoid rhabdoid tumor childhood acute lymphoblastic leukemia colorectal carcinoma glioblastoma