1QKU | pdb_00001qku

WILD TYPE ESTROGEN NUCLEAR RECEPTOR LIGAND BINDING DOMAIN COMPLEXED WITH ESTRADIOL

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)
A	d1qkua_	All alpha proteins	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Estrogen receptor alpha	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d1qkuc_	All alpha proteins	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Estrogen receptor alpha	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1qkub_	All alpha proteins	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Estrogen receptor alpha	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)
A	SCOP2B Superfamily	Nuclear receptor ligand-binding domain	8044103	3001442	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nuclear receptor ligand-binding domain	8044103	3001442	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nuclear receptor ligand-binding domain	8044103	3001442	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)
A		e1qkuA1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: p53 tetramerization domain	H: p53 tetramerization domain	T: Cation_efflux	F:	ECOD (20:10:01)
C		e1qkuC1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: p53 tetramerization domain	H: p53 tetramerization domain	T: Cation_efflux	F:	ECOD (20:10:01)
B		e1qkuB1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: p53 tetramerization domain	H: p53 tetramerization domain	T: Cation_efflux	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor	CATH (4.3.0)
C	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor	CATH (4.3.0)
B	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00104	Ligand-binding domain of nuclear hormone receptor (Hormone_recep)	Ligand-binding domain of nuclear hormone receptor	This all helical domain is involved in binding the hormone in these receptors.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	ESTRADIOL RECEPTOR	transcription factor binding basal transcription machinery binding protein binding binding basal RNA polymerase II transcription machinery binding general transcription initiation factor binding RNA polymerase II general transcription initiation factor binding TFIIB-class transcription factor binding transcription coregulator binding 14-3-3 protein binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding transcription factor binding basal transcription machinery binding protein binding binding basal RNA polymerase II transcription machinery binding general transcription initiation factor binding RNA polymerase II general transcription initiation factor binding TFIIB-class transcription factor binding transcription coregulator binding 14-3-3 protein binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity 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 estrogen response element binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding TBP-class protein binding enzyme regulator activity molecular function regulator activity nitric-oxide synthase regulator activity nuclear receptor activity molecular transducer activity signaling receptor activity ligand-modulated transcription factor activity calmodulin binding DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity ATPase binding enzyme binding identical protein binding transcription corepressor binding chromatin binding nuclear steroid receptor activity nuclear estrogen receptor activity kinase binding protein kinase binding transcription coactivator binding steroid binding lipid binding beta-catenin binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding DNA-binding transcription factor binding nuclear estrogen receptor binding	developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development system development regulation of biosynthetic process regulation of nitric oxide biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process reactive nitrogen species metabolic process nitric oxide metabolic process positive regulation of metabolic process nitric oxide biosynthetic process biosynthetic process positive regulation of biosynthetic process cellular process metabolic process regulation of nitric oxide metabolic process positive regulation of nitric oxide biosynthetic process regulation of metabolic process positive regulation of cellular process transcription preinitiation complex assembly RNA metabolic process cellular component organization cellular component biogenesis protein-DNA complex organization RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process cellular component assembly transcription by RNA polymerase II protein-containing complex assembly cellular component organization or biogenesis transcription initiation at RNA polymerase II promoter protein-containing complex organization protein-DNA complex assembly primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription initiation nucleic acid metabolic process RNA polymerase II preinitiation complex assembly macromolecule metabolic process positive regulation of nitric-oxide synthase activity regulation of molecular function positive regulation of molecular function regulation of catalytic activity regulation of nitric-oxide synthase activity positive regulation of catalytic activity regulation of oxidoreductase activity positive regulation of oxidoreductase activity regulation of hormone levels steroid metabolic process androgen metabolic process regulation of biological quality hormone metabolic process lipid metabolic process cellular response to stimulus response to lipid response to stimulus signaling response to endogenous stimulus hormone-mediated signaling pathway cell communication cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical response to steroid hormone cellular response to lipid signal transduction cellular response to steroid hormone stimulus steroid hormone receptor signaling pathway cellular response to hormone stimulus regulation of epithelial cell apoptotic process regulation of apoptotic process regulation of programmed cell death cell death epithelial cell apoptotic process apoptotic process programmed cell death positive regulation of response to biotic stimulus pattern recognition receptor signaling pathway toll-like receptor signaling pathway regulation of signal transduction response to biotic stimulus immune response-activating signaling pathway positive regulation of immune response regulation of immune system process positive regulation of immune system process innate immune response-activating signaling pathway immune response response to other organism regulation of innate immune response response to external stimulus regulation of response to stimulus defense response to other organism regulation of pattern recognition receptor signaling pathway positive regulation of defense response activation of innate immune response regulation of immune response regulation of toll-like receptor signaling pathway activation of immune response regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus positive regulation of response to stimulus positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of response to stress response to stress innate immune response response to external biotic stimulus regulation of signaling positive regulation of innate immune response defense response defense response to symbiont immune system process regulation of cell communication regulation of primary metabolic process regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of macromolecule metabolic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of DNA-templated transcription fibroblast proliferation cell population proliferation intracellular receptor signaling pathway intracellular signal transduction nuclear receptor-mediated steroid hormone signaling pathway estrogen receptor signaling pathway nuclear receptor-mediated signaling pathway phospholipase C-activating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway prostate gland development developmental growth gland development organ growth prostate gland epithelium morphogenesis gland morphogenesis animal organ morphogenesis prostate gland morphogenetic growth prostate gland growth epithelium development axis elongation branch elongation of an epithelium growth morphogenesis of an epithelium urogenital system development tissue development developmental growth involved in morphogenesis prostate gland morphogenesis tissue morphogenesis anatomical structure morphogenesis morphogenesis of a branching structure branching involved in prostate gland morphogenesis prostate epithelial cord elongation morphogenesis of a branching epithelium response to estrogen cellular response to estrogen stimulus negative regulation of biological process negative regulation of RNA biosynthetic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process ovulation cycle process development of primary female sexual characteristics ovulation cycle ovarian follicle development rhythmic process female gonad development multicellular organismal reproductive process female sex differentiation antral ovarian follicle growth positive regulation of DNA-templated transcription positive regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process epithelial cell development cellular developmental process cell differentiation cell development epithelial cell differentiation positive regulation of cytosolic calcium ion concentration genitalia development female genitalia development vagina development negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of canonical NF-kappaB signal transduction negative regulation of cell communication regulation of intracellular signal transduction intracellular signaling cassette negative regulation of response to stimulus negative regulation of signal transduction canonical NF-kappaB signal transduction regulation of canonical NF-kappaB signal transduction positive regulation of cell population proliferation regulation of fibroblast proliferation regulation of cell population proliferation positive regulation of fibroblast proliferation localization protein localization to chromatin protein localization to chromosome protein localization to organelle macromolecule localization intracellular protein localization branching involved in mammary gland duct morphogenesis multi-multicellular organism process mammary gland morphogenesis maternal process involved in female pregnancy mammary gland development branching morphogenesis of an epithelial tube tube morphogenesis mammary gland branching involved in pregnancy epithelial tube morphogenesis female pregnancy tube development mammary gland duct morphogenesis mammary gland epithelium development multi-organism reproductive process negative regulation of miRNA transcription miRNA transcription regulation of miRNA metabolic process miRNA metabolic process negative regulation of miRNA metabolic process regulation of miRNA transcription uterus development branch elongation involved in mammary gland duct branching epithelial cell proliferation involved in mammary gland duct elongation epithelial cell proliferation mammary gland epithelial cell proliferation regulation of inflammatory response inflammatory response prostate glandular acinus development prostate epithelial cord arborization involved in prostate glandular acinus morphogenesis prostate glandular acinus morphogenesis response to oxygen-containing compound cellular response to oxygen-containing compound response to estradiol cellular response to estradiol stimulus negative regulation of gene expression stem cell differentiation regulation of developmental process regulation of reproductive process regulation of morphogenesis of an epithelium regulation of multicellular organismal process regulation of anatomical structure morphogenesis regulation of morphogenesis of a branching structure regulation of branching involved in prostate gland morphogenesis mammary gland lobule development mammary gland alveolus development chromatin organization chromatin remodeling muscle cell apoptotic process smooth muscle cell apoptotic process negative regulation of programmed cell death regulation of muscle cell apoptotic process regulation of smooth muscle cell apoptotic process negative regulation of smooth muscle cell apoptotic process negative regulation of apoptotic process negative regulation of muscle cell apoptotic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex transcription regulator complex intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex transcription regulator complex intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle Golgi apparatus intracellular membrane-bounded organelle endomembrane system cell periphery plasma membrane nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen euchromatin

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR001628	Zinc finger, nuclear hormone receptor-type	Domain
A, B, C	IPR050200	Nuclear hormone receptor family NR3 subfamily	Family
A, B, C	IPR013088	Zinc finger, NHR/GATA-type	Homologous Superfamily
A, B, C	IPR024736	Oestrogen-type nuclear receptor final C-terminal domain	Domain
A, B, C	IPR001292	Estrogen receptor	Family
A, B, C	IPR024178	Estrogen receptor/oestrogen-related receptor	Family
A, B, C	IPR001723	Nuclear hormone receptor	Family
A, B, C	IPR046944	Estrogen receptor, N-terminal	Domain
A, B, C	IPR000536	Nuclear hormone receptor, ligand-binding domain	Domain
A, B, C	IPR035500	Nuclear hormone receptor-like domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C	Pharos: P03372	breast carcinoma uterine corpus leiomyoma prostate cancer carcinoma estrogen resistance syndrome obesity disorder Alzheimer disease bone disease breast cancer female infertility glomerulonephritis leiomyoma migraine with or without aura, susceptibility to, 1 Musculoskeletal Pain lung cancer breast carcinoma uterine corpus leiomyoma prostate cancer carcinoma estrogen resistance syndrome obesity disorder Alzheimer disease bone disease breast cancer female infertility glomerulonephritis leiomyoma migraine with or without aura, susceptibility to, 1 Musculoskeletal Pain lung cancer protoplasmic astrocytoma male infertility fibrillary astrocytoma tubular adenocarcinoma coronary artery disease astrocytic tumor urinary bladder cancer pilocytic astrocytoma atherosclerosis leukemia myocardial infarction prostate intraepithelial neoplasia adenocarcinoma sarcomatoid carcinoma oligospermia gemistocytic astrocytoma subependymal giant cell astrocytoma granular cell carcinoma hereditary breast carcinoma juvenile pilocytic astrocytoma liver cancer endometrial carcinoma endometriosis neuroblastoma childhood cerebral astrocytoma anaplastic astrocytoma diffuse astrocytoma peripheral neuropathy migraine disorder benign mesothelioma ductal breast carcinoma in situ endogenous depression endometrial hyperplasia cardiac arrest colorectal cancer ovarian cancer hepatocellular carcinoma mesothelioma cystic fibrosis pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia infertility disorder postmenopausal osteoporosis invasive ductal breast carcinoma bipolar disorder liver neoplasm breast adenocarcinoma endometrial cancer psoriasis estrogen-receptor negative breast cancer adrenal cortex carcinoma osteoporosis amelogenesis imperfecta type 1G ovarian carcinoma undifferentiated carcinoma cribriform carcinoma pancreatic intraductal papillary-mucinous carcinoma astrocytoma (excluding glioblastoma) urinary bladder neoplasm depressive disorder peripheral nervous system disease pituitary cancer interstitial cystitis atopic eczema attention deficit hyperactivity disorder, inattentive type drug psychosis primary ovarian failure lung benign neoplasm male breast carcinoma cancer malignant mesothelioma schizophrenia cerebral astrocytoma osteogenesis imperfecta mammary neoplasms, animal osteosarcoma ovarian neoplasm arteriosclerosis disorder cribriform carcinoma of breast pancreatic intraductal papillary-mucinous neoplasm

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.