Annotations: 1U3S

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1u3sa_	All alpha proteins	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Estrogen receptor beta	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth B]	d1u3sb_	All alpha proteins	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Nuclear receptor ligand-binding domain	Estrogen receptor beta	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	8038722	3001442	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Nuclear receptor ligand-binding domain	8038722	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	Hormone_recep_1	e1u3sA1	A: alpha arrays	X: Nuclear receptor ligand-binding domain (From Topology)	H: Nuclear receptor ligand-binding domain (From Topology)	T: Nuclear receptor ligand-binding domain	F: Hormone_recep_1	ECOD (1.6)
C [auth B]	Hormone_recep_1	e1u3sB1	A: alpha arrays	X: Nuclear receptor ligand-binding domain (From Topology)	H: Nuclear receptor ligand-binding domain (From Topology)	T: Nuclear receptor ligand-binding domain	F: Hormone_recep_1	ECOD (1.6)

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 [auth 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, C [auth B]	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
B [auth C], D	PF08832	Steroid receptor coactivator (SRC-1)	Steroid receptor coactivator	This domain is found in steroid/nuclear receptor coactivators and contains two LXXLL motifs that are involved in receptor binding [1]. The family includes SRC-1/NcoA-1, NcoA-2/TIF2, pCIP/ACTR/GRIP-1/AIB1.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth B]	Estrogen receptor beta	DNA binding sequence-specific DNA binding 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 organic cyclic compound binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding nuclear steroid receptor activity DNA-binding transcription factor activity, RNA polymerase II-specific DNA binding sequence-specific DNA binding 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 organic cyclic compound binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding nuclear steroid 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 nuclear estrogen receptor activity molecular function inhibitor activity protein binding signaling receptor binding molecular function regulator activity signaling receptor inhibitor activity receptor antagonist activity signaling receptor regulator activity estrogen response element binding nuclear receptor activity ligand-activated transcription factor activity steroid binding lipid binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding enzyme binding	positive regulation of DNA-binding transcription factor activity regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process positive regulation of molecular function nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process positive regulation of DNA-binding transcription factor activity regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process positive regulation of molecular function nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process regulation of molecular function organic cyclic compound metabolic process regulation of gene expression biosynthetic process regulation of DNA-binding transcription factor activity organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process cellular process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process signaling cell-cell signaling cell communication regulation of growth regulation of cellular component organization negative regulation of biological process growth negative regulation of cell growth regulation of cell growth cell growth cellular component organization negative regulation of growth negative regulation of cellular process cellular component organization or biogenesis cellular response to stimulus response to organic substance intracellular receptor signaling pathway response to stimulus response to lipid intracellular estrogen receptor signaling pathway hormone-mediated signaling pathway cellular response to endogenous stimulus response to hormone response to steroid hormone signal transduction cellular response to organic substance cellular response to steroid hormone stimulus response to organic cyclic compound cellular response to hormone stimulus response to endogenous stimulus cellular response to organic cyclic compound cellular response to chemical stimulus steroid hormone mediated signaling pathway response to chemical cellular response to lipid nuclear receptor signaling pathway intracellular steroid hormone receptor signaling pathway positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of cellular process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process response to oxygen-containing compound cellular response to oxygen-containing compound response to estradiol cellular response to estradiol stimulus response to estrogen cellular response to estrogen stimulus transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of cellular metabolic process negative regulation of RNA biosynthetic process negative regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process negative regulation of cellular biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process negative regulation of macromolecule metabolic process negative regulation of biosynthetic process positive regulation of transcription by RNA polymerase II	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle
B [auth C], D	steroid receptor coactivator-1	transcription coactivator activity transcription regulator activity transcription coregulator activity nuclear receptor coactivator activity protein-macromolecule adaptor activity molecular adaptor activity protein binding binding protein dimerization activity catalytic activity, acting on a protein N-acetyltransferase activity acyltransferase activity transferase activity peptide N-acetyltransferase activity transcription coactivator activity transcription regulator activity transcription coregulator activity nuclear receptor coactivator activity protein-macromolecule adaptor activity molecular adaptor activity protein binding binding protein dimerization activity catalytic activity, acting on a protein N-acetyltransferase activity acyltransferase activity transferase activity peptide N-acetyltransferase activity histone acetyltransferase activity acetyltransferase activity peptide-lysine-N-acetyltransferase activity histone modifying activity acyltransferase activity, transferring groups other than amino-acyl groups catalytic activity N-acyltransferase activity protein-containing complex binding chromatin binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding transcription regulatory region nucleic acid binding transcription factor binding nuclear retinoic acid receptor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding nuclear retinoid X 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 placenta development chordate embryonic development embryonic morphogenesis labyrinthine layer development embryo development in utero embryonic development embryonic placenta morphogenesis labyrinthine layer morphogenesis anatomical structure morphogenesis embryonic placenta development embryo development ending in birth or egg hatching embryonic organ development ovulation cycle rhythmic process estrous cycle multicellular organismal reproductive process response to organic substance response to ketone response to lipid response to stimulus response to endogenous stimulus response to progesterone response to oxygen-containing compound response to hormone response to steroid hormone response to chemical response to organic cyclic compound regulation of biological process positive regulation of programmed cell death regulation of cellular process regulation of apoptotic process biological regulation positive regulation of biological process regulation of programmed cell death cell death positive regulation of apoptotic process cellular process apoptotic process programmed cell death positive regulation of cellular process head development brain development nervous system development cerebellum development central nervous system development metencephalon development hindbrain development behavior male mating behavior reproductive behavior mating behavior forebrain development pallium development cerebral cortex development telencephalon development cellular response to stimulus intracellular receptor signaling pathway signaling cell communication peroxisome proliferator activated receptor signaling pathway signal transduction mRNA transcription by RNA polymerase II cellular biosynthetic process RNA metabolic process mRNA transcription nucleobase-containing compound metabolic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process organic substance metabolic process transcription by RNA polymerase II organic substance biosynthetic process cellular metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process organic cyclic compound biosynthetic process metabolic process macromolecule metabolic process regulation of body fluid levels secretion transport mammary gland development gland development establishment of localization body fluid secretion localization lactation regulation of biological quality cellular response to chemical stimulus response to Thyroglobulin triiodothyronine cellular response to Thyroglobulin triiodothyronine cellular response to nitrogen compound response to peptide hormone regulation of cellular response to insulin stimulus cellular response to endogenous stimulus cellular response to organic substance cellular response to hormone stimulus response to organonitrogen compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to organonitrogen compound regulation of response to stimulus response to insulin cellular response to insulin stimulus positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process regulation of cellular metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of DNA-templated transcription positive regulation of cellular metabolic process positive regulation of biosynthetic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process hippocampus development limbic system development regulation of transcription from RNA polymerase II promoter by galactose carbon catabolite regulation of transcription positive regulation of transcription by galactose cellular response to nutrient levels carbon catabolite regulation of transcription from RNA polymerase II promoter carbon catabolite activation of transcription from RNA polymerase II promoter carbon catabolite activation of transcription response to nutrient levels regulation of transcription by galactose response to nutrient positive regulation of transcription from RNA polymerase II promoter by galactose cellular response to nutrient regulation of developmental process connective tissue development adipose tissue development positive regulation of adipose tissue development tissue development positive regulation of developmental process regulation of adipose tissue development positive regulation of multicellular organismal process regulation of multicellular organismal process hypothalamus development diencephalon development response to retinoic acid cellular developmental process regulation of cell differentiation positive regulation of neuron differentiation neurogenesis neuron differentiation positive regulation of cell differentiation cell differentiation generation of neurons regulation of neuron differentiation thyroid hormone mediated signaling pathway regulation of signal transduction hormone-mediated signaling pathway regulation of thyroid hormone mediated signaling pathway regulation of signaling regulation of cell communication positive regulation of female receptivity female mating behavior regulation of female receptivity response to estradiol	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex transcription regulator complex intracellular organelle protein-DNA complex organelle intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle RNA polymerase II transcription regulator complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex transcription regulator complex intracellular organelle protein-DNA complex organelle intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle RNA polymerase II transcription regulator complex membrane-bounded organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cell periphery plasma membrane membrane membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B]	IPR001628	Zinc finger, nuclear hormone receptor-type	Domain
A, C [auth B]	IPR028355	Estrogen receptor beta/gamma	Family
A, C [auth B]	IPR024178	Estrogen receptor/oestrogen-related receptor	Family
A, C [auth B]	IPR001723	Nuclear hormone receptor	Family
A, C [auth B]	IPR013088	Zinc finger, NHR/GATA-type	Homologous Superfamily
A, C [auth B]	IPR000536	Nuclear hormone receptor, ligand-binding domain	Domain
A, C [auth B]	IPR035500	Nuclear hormone receptor-like domain superfamily	Homologous Superfamily
A, C [auth B]	IPR021064	Estrogen receptor beta-like, N-terminal	Domain
B [auth C], D	IPR010011	Nuclear receptor coactivator, DUF1518	Domain
B [auth C], D	IPR028819	Nuclear receptor coactivator 1, basic helix-loop-helix	Domain
B [auth C], D	IPR009110	Nuclear receptor coactivator, interlocking	Homologous Superfamily
B [auth C], D	IPR017426	Nuclear receptor coactivator	Family
B [auth C], D	IPR014935	Nuclear receptor coactivator, receptor-binding domain	Domain
B [auth C], D	IPR014920	Nuclear receptor coactivator, Ncoa-type, interlocking	Domain
B [auth C], D	IPR035965	PAS domain superfamily	Homologous Superfamily
B [auth C], D	IPR036638	Helix-loop-helix DNA-binding domain superfamily	Homologous Superfamily
B [auth C], D	IPR037077	Nuclear receptor coactivator, Ncoa-type, interlocking domain superfamily	Homologous Superfamily
B [auth C], D	IPR013767	PAS fold	Domain
B [auth C], D	IPR000014	PAS domain	Domain
B [auth C], D	IPR011598	Myc-type, basic helix-loop-helix (bHLH) domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C [auth B]	Pharos: Q92731	transitional cell carcinoma endometriosis medulloblastoma atrial fibrillation juvenile pilocytic astrocytoma childhood cerebral astrocytoma cocaine dependence coronary artery disease melanotic medulloblastoma adenocarcinoma adult medulloblastoma endometrial carcinoma prostate cancer astrocytic tumor fibrillary astrocytoma transitional cell carcinoma endometriosis medulloblastoma atrial fibrillation juvenile pilocytic astrocytoma childhood cerebral astrocytoma cocaine dependence coronary artery disease melanotic medulloblastoma adenocarcinoma adult medulloblastoma endometrial carcinoma prostate cancer astrocytic tumor fibrillary astrocytoma sarcomatoid carcinoma breast carcinoma granular cell carcinoma Lithiasis tubular adenocarcinoma childhood medulloblastoma urinary bladder cancer familial medullary thyroid carcinoma female infertility protoplasmic astrocytoma gemistocytic astrocytoma carcinoma subependymal giant cell astrocytoma cocaine abuse colorectal cancer medullomyoblastoma with myogenic differentiation pilocytic astrocytoma anaplastic astrocytoma prostate intraepithelial neoplasia psoriasis breast cancer major depressive disorder colorectal carcinoma cribriform carcinoma of breast postmenopausal osteoporosis mammary neoplasms, animal desmoplastic/nodular medulloblastoma endogenous depression ovarian cancer amelogenesis imperfecta type 1G prostate carcinoma astrocytoma (excluding glioblastoma) bipolar disorder schizophrenia cerebral astrocytoma lung cancer undifferentiated carcinoma urinary bladder neoplasm cribriform carcinoma diffuse astrocytoma endometrial cancer
B [auth C], D	Pharos: Q15788	breast carcinoma breast cancer Mammary Neoplasms, Experimental prostate cancer endometriosis ovarian cancer psoriasis adenoma diffuse large B-cell lymphoma glioblastoma malignant glioma astrocytic tumor invasive ductal breast carcinoma osteosarcoma atypical teratoid rhabdoid tumor breast carcinoma breast cancer Mammary Neoplasms, Experimental prostate cancer endometriosis ovarian cancer psoriasis adenoma diffuse large B-cell lymphoma glioblastoma malignant glioma astrocytic tumor invasive ductal breast carcinoma osteosarcoma atypical teratoid rhabdoid tumor cancer large cell medulloblastoma myopathy