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- PDB-2q70: Estrogen receptor alpha ligand-binding domain complxed to a benzo... -

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Basic information

Entry
Database: PDB / ID: 2q70
TitleEstrogen receptor alpha ligand-binding domain complxed to a benzopyran ligand
ComponentsEstrogen receptor
KeywordsTRANSCRIPTION / transcription factor / estrogen receptor
Function / homology
Function and homology information


regulation of epithelial cell apoptotic process / antral ovarian follicle growth / G protein-coupled estrogen receptor activity / regulation of branching involved in prostate gland morphogenesis / RUNX1 regulates transcription of genes involved in WNT signaling / RUNX1 regulates estrogen receptor mediated transcription / regulation of toll-like receptor signaling pathway / nuclear estrogen receptor activity / prostate epithelial cord arborization involved in prostate glandular acinus morphogenesis / epithelial cell proliferation involved in mammary gland duct elongation ...regulation of epithelial cell apoptotic process / antral ovarian follicle growth / G protein-coupled estrogen receptor activity / regulation of branching involved in prostate gland morphogenesis / RUNX1 regulates transcription of genes involved in WNT signaling / RUNX1 regulates estrogen receptor mediated transcription / regulation of toll-like receptor signaling pathway / nuclear estrogen receptor activity / prostate epithelial cord arborization involved in prostate glandular acinus morphogenesis / epithelial cell proliferation involved in mammary gland duct elongation / prostate epithelial cord elongation / epithelial cell development / mammary gland branching involved in pregnancy / negative regulation of smooth muscle cell apoptotic process / uterus development / vagina development / TFIIB-class transcription factor binding / steroid hormone receptor signaling pathway / androgen metabolic process / mammary gland alveolus development / cellular response to estrogen stimulus / estrogen response element binding / Mitochondrial unfolded protein response (UPRmt) / nuclear receptor-mediated steroid hormone signaling pathway / Nuclear signaling by ERBB4 / RNA polymerase II preinitiation complex assembly / negative regulation of canonical NF-kappaB signal transduction / estrogen receptor signaling pathway / protein localization to chromatin / steroid binding / 14-3-3 protein binding / TFAP2 (AP-2) family regulates transcription of growth factors and their receptors / TBP-class protein binding / nitric-oxide synthase regulator activity / negative regulation of miRNA transcription / positive regulation of nitric-oxide synthase activity / ESR-mediated signaling / transcription coregulator binding / transcription corepressor binding / nuclear estrogen receptor binding / positive regulation of DNA-binding transcription factor activity / stem cell differentiation / cellular response to estradiol stimulus / SUMOylation of intracellular receptors / negative regulation of DNA-binding transcription factor activity / transcription coactivator binding / euchromatin / beta-catenin binding / Nuclear Receptor transcription pathway / response to estrogen / nuclear receptor activity / Constitutive Signaling by Aberrant PI3K in Cancer / positive regulation of fibroblast proliferation / male gonad development / Regulation of RUNX2 expression and activity / sequence-specific double-stranded DNA binding / positive regulation of nitric oxide biosynthetic process / Ovarian tumor domain proteases / PIP3 activates AKT signaling / response to estradiol / ATPase binding / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / positive regulation of cytosolic calcium ion concentration / DNA-binding transcription activator activity, RNA polymerase II-specific / regulation of inflammatory response / fibroblast proliferation / phospholipase C-activating G protein-coupled receptor signaling pathway / transcription regulator complex / Estrogen-dependent gene expression / Extra-nuclear estrogen signaling / DNA-binding transcription factor activity, RNA polymerase II-specific / calmodulin binding / chromatin remodeling / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / negative regulation of gene expression / chromatin binding / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / protein kinase binding / chromatin / positive regulation of DNA-templated transcription / enzyme binding / Golgi apparatus / negative regulation of transcription by RNA polymerase II / signal transduction / positive regulation of transcription by RNA polymerase II / protein-containing complex / zinc ion binding / nucleoplasm / identical protein binding / nucleus / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Estrogen receptor / Oestrogen-type nuclear receptor final C-terminal domain / : / Oestrogen receptor / Oestrogen-type nuclear receptor final C-terminal / Estrogen receptor/oestrogen-related receptor / : / Retinoid X Receptor / Retinoid X Receptor / Nuclear hormone receptor ...Estrogen receptor / Oestrogen-type nuclear receptor final C-terminal domain / : / Oestrogen receptor / Oestrogen-type nuclear receptor final C-terminal / Estrogen receptor/oestrogen-related receptor / : / Retinoid X Receptor / Retinoid X Receptor / Nuclear hormone receptor / Nuclear hormones receptors DNA-binding region signature. / Zinc finger, nuclear hormone receptor-type / Double treble clef zinc finger, C4 type / Nuclear hormone receptors DNA-binding domain profile. / c4 zinc finger in nuclear hormone receptors / Nuclear hormone receptor, ligand-binding domain / Nuclear hormone receptor-like domain superfamily / Ligand-binding domain of nuclear hormone receptor / Nuclear receptor (NR) ligand-binding (LBD) domain profile. / Ligand binding domain of hormone receptors / Zinc finger, NHR/GATA-type / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-DC8 / Estrogen receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsWang, Y.
CitationJournal: Bioorg.Med.Chem.Lett. / Year: 2007
Title: Benzopyrans as selective estrogen receptor beta agonists (SERBAs). Part 3: synthesis of cyclopentanone and cyclohexanone intermediates for C-ring modification.
Authors: Richardson, T.I. / Dodge, J.A. / Durst, G.L. / Pfeifer, L.A. / Shah, J. / Wang, Y. / Durbin, J.D. / Krishnan, V. / Norman, B.H.
History
DepositionJun 5, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 7, 2007Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Oct 20, 2021Group: Database references / Derived calculations / Category: database_2 / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.3Feb 21, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Estrogen receptor
B: Estrogen receptor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)57,2314
Polymers56,5942
Non-polymers6372
Water79344
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)62.558, 97.880, 174.156
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

#1: Protein Estrogen receptor / ER / Estradiol receptor / ER-alpha


Mass: 28297.172 Da / Num. of mol.: 2 / Fragment: ligand-binding domain (Residues 304-551) / Mutation: C381S, C417S, C530S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ESR1 / Production host: Escherichia coli (E. coli) / References: UniProt: P03372
#2: Chemical ChemComp-DC8 / (3AS,4R,9BR)-2,2-DIFLUORO-4-(4-HYDROXYPHENYL)-1,2,3,3A,4,9B-HEXAHYDROCYCLOPENTA[C]CHROMEN-8-OL


Mass: 318.315 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C18H16F2O3
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 44 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.35 Å3/Da / Density % sol: 47.76 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 0.1M Tris, 0.2M magnesium chloride, 20% PEG 4000, 10% ethylene glycol, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-BM / Wavelength: 1 Å
DetectorType: MAR CCD 165 mm / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.95→50 Å / Num. obs: 37308 / % possible obs: 94.2 % / Observed criterion σ(I): 1 / Redundancy: 5.7 % / Biso Wilson estimate: 29.8 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 24.2
Reflection shellResolution: 1.95→2.02 Å / Redundancy: 3.5 % / Rmerge(I) obs: 0.517 / Mean I/σ(I) obs: 1.04 / % possible all: 67.1

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Processing

Software
NameVersionClassification
CNX2005refinement
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
CNXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.95→28.93 Å / Rfactor Rfree error: 0.009 / Data cutoff high absF: 2495925.74 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.303 1036 2.8 %RANDOM
Rwork0.26 ---
obs-37307 94.3 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 53.0349 Å2 / ksol: 0.377212 e/Å3
Displacement parametersBiso mean: 46.5 Å2
Baniso -1Baniso -2Baniso -3
1-8.1 Å20 Å20 Å2
2--6.79 Å20 Å2
3----14.88 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.35 Å0.31 Å
Luzzati d res low-5 Å
Luzzati sigma a0.35 Å0.35 Å
Refinement stepCycle: LAST / Resolution: 1.95→28.93 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3551 0 46 44 3641
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg0.9
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d20
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.67
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.451.5
X-RAY DIFFRACTIONc_mcangle_it2.322
X-RAY DIFFRACTIONc_scbond_it2.272
X-RAY DIFFRACTIONc_scangle_it3.382.5
LS refinement shellResolution: 1.95→2.07 Å / Rfactor Rfree error: 0.031 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.366 138 2.9 %
Rwork0.362 4702 -
obs--74.5 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.pprotein.top
X-RAY DIFFRACTION3water_rep.par
X-RAY DIFFRACTION4ion.param
X-RAY DIFFRACTION5lig.par

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