5DRM

Crystal Structure of the ER-alpha Ligand-binding Domain in complex with a dichloro-substituted, 2,5-diarylthiophene-core ligand 4,4'-thiene-2,5-diylbis(3-chlorophenol)

Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor
B	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A, B	PF12743	Oestrogen-type nuclear receptor final C-terminal (ESR1_C)	Oestrogen-type nuclear receptor final C-terminal	This is the very C-terminal region of a subfamily of nuclear receptors that includes oestrogen receptors and other subfamily 3 group A members. The actual function of this region is not known, but the domain is absent from all the other types of nucl ...	This is the very C-terminal region of a subfamily of nuclear receptors that includes oestrogen receptors and other subfamily 3 group A members. The actual function of this region is not known, but the domain is absent from all the other types of nuclear receptors. Oestrogen receptors modulate AP-1-dependent transcription [1] through two distinct mechanisms: via protein-protein interactions on DNA; and via non-genomic actions. The mechanism used depends on the cellular localisation of the receptor. In addition to the more extensively studied cross-talk on DNA, additional non-genomic actions might be very important in target tissues in which membrane-associated ERs are found. These non-genomic actions probably contribute to the overall physiological responses mediated by ligand-bound ERs [2] and might possibly be mediated via this C-terminal domain.	Domain
A, B	PF00105	Zinc finger, C4 type (two domains) (zf-C4)	Zinc finger, C4 type (two domains)	In nearly all cases, this is the DNA binding domain of a nuclear hormone receptor. The alignment contains two Zinc finger domains that are too dissimilar to be aligned with each other.	Domain
A, B	PF02159	Oestrogen receptor (Oest_recep)	Oestrogen receptor	-	Family
A, 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
C, D	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.	Domain
C, D	PF16279	Domain of unknown function (DUF4927) (DUF4927)	Domain of unknown function (DUF4927)	-	Family
C, D	PF07469	Domain of unknown function (DUF1518) (DUF1518)	Domain of unknown function (DUF1518)	This domain, which is usually found tandemly repeated, is found various receptor co-activating proteins.	Domain
C, D	PF08815	Nuclear receptor coactivator (Nuc_rec_co-act)	Nuclear receptor coactivator	This region is found on eukaryotic nuclear receptor coactivators and forms an alpha helical structure.	Domain
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 Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Estrogen receptor	binding protein binding enzyme binding ATPase binding beta-catenin binding chromatin binding DNA-binding transcription factor activity transcription regulator activity steroid hormone receptor activity estrogen receptor activity signaling receptor activity molecular transducer activity signaling receptor binding transcription factor binding nuclear receptor binding estrogen receptor binding nuclear hormone receptor binding steroid hormone receptor binding hormone receptor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding identical protein binding enzyme regulator activity nitric-oxide synthase regulator activity molecular function regulator kinase binding protein kinase binding nucleic acid binding DNA binding double-stranded DNA binding sequence-specific DNA binding organic cyclic compound binding heterocyclic compound binding sequence-specific double-stranded DNA binding steroid binding lipid binding TBP-class protein binding general transcription initiation factor binding zinc ion binding ion binding cation binding metal ion binding transition metal ion binding	cellular process response to organic substance response to organic cyclic compound response to estradiol response to lipid response to chemical response to stimulus cellular response to stimulus cellular response to chemical stimulus cellular response to organic substance cellular response to estradiol stimulus cellular response to lipid cellular response to organic cyclic compound response to oxygen-containing compound cellular response to oxygen-containing compound response to endogenous stimulus response to hormone cellular response to hormone stimulus response to estrogen cellular response to estrogen stimulus cellular response to endogenous stimulus metabolic process negative regulation of metabolic process gene expression regulation of gene expression negative regulation of macromolecule metabolic process negative regulation of gene expression regulation of metabolic process macromolecule metabolic process negative regulation of biological process regulation of biological process regulation of macromolecule metabolic process biological regulation organic substance metabolic process cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation fibroblast proliferation regulation of fibroblast proliferation positive regulation of fibroblast proliferation positive regulation of biological process positive regulation of cellular process regulation of cellular process regulation of monooxygenase activity positive regulation of monooxygenase activity positive regulation of catalytic activity positive regulation of molecular function regulation of catalytic activity regulation of nitric-oxide synthase activity positive regulation of nitric-oxide synthase activity regulation of oxidoreductase activity positive regulation of oxidoreductase activity regulation of molecular function regulation of phospholipase activity positive regulation of phospholipase activity positive regulation of phospholipase C activity regulation of hydrolase activity positive regulation of hydrolase activity regulation of lipase activity positive regulation of lipase activity regulation of phospholipase C activity cell differentiation developmental process stem cell differentiation cellular developmental process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol Golgi apparatus endomembrane system organelle membrane-bounded organelle intracellular organelle intracellular membrane-bounded organelle membrane integral component of membrane intrinsic component of membrane nucleus nucleoplasm membrane-enclosed lumen nuclear lumen organelle lumen intracellular organelle lumen plasma membrane cell periphery protein-containing complex protein-DNA complex transcription preinitiation complex
C, D	Nuclear receptor coactivator 2	signaling receptor binding binding protein binding transcription factor binding aryl hydrocarbon receptor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding chromatin binding nuclear hormone receptor binding hormone receptor binding nuclear receptor binding transcription coregulator activity transcription coactivator activity nuclear receptor coactivator activity molecular function regulator transcription regulator activity protein dimerization activity protein domain specific binding	response to endogenous stimulus response to hormone cellular process response to organic substance cellular response to hormone stimulus response to chemical response to stimulus cellular response to stimulus cellular response to chemical stimulus cellular response to organic substance cellular response to endogenous stimulus response to Thyroglobulin triiodothyronine cellular response to Thyroglobulin triiodothyronine response to organic cyclic compound response to progesterone response to lipid response to steroid hormone response to ketone response to oxygen-containing compound	intracellular anatomical structure cytoplasm cellular anatomical entity nucleus nucleoplasm nuclear body membrane-enclosed lumen nuclear lumen organelle membrane-bounded organelle intracellular organelle intracellular membrane-bounded organelle organelle lumen intracellular organelle lumen protein-containing complex

RCSB PDB is funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.