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- PDB-2i0g: Benzopyrans are Selective Estrogen Receptor beta Agonists (SERBAs... -

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Basic information

Entry
Database: PDB / ID: 2i0g
TitleBenzopyrans are Selective Estrogen Receptor beta Agonists (SERBAs) with Novel Activity in Models of Benign Prostatic Hyperplasia
ComponentsEstrogen receptor beta
KeywordsTRANSCRIPTION / nuclear receptor / ligand binding domain
Function / homology
Function and homology information


receptor antagonist activity / nuclear steroid receptor activity / nuclear estrogen receptor activity / cellular response to estrogen stimulus / estrogen response element binding / estrogen receptor signaling pathway / steroid binding / ESR-mediated signaling / cellular response to estradiol stimulus / positive regulation of DNA-binding transcription factor activity ...receptor antagonist activity / nuclear steroid receptor activity / nuclear estrogen receptor activity / cellular response to estrogen stimulus / estrogen response element binding / estrogen receptor signaling pathway / steroid binding / ESR-mediated signaling / cellular response to estradiol stimulus / positive regulation of DNA-binding transcription factor activity / negative regulation of cell growth / Nuclear Receptor transcription pathway / Constitutive Signaling by Aberrant PI3K in Cancer / nuclear receptor activity / PIP3 activates AKT signaling / cell-cell signaling / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / Extra-nuclear estrogen signaling / DNA-binding transcription factor activity, RNA polymerase II-specific / RNA polymerase II cis-regulatory region sequence-specific DNA binding / intracellular membrane-bounded organelle / regulation of DNA-templated transcription / chromatin / regulation of transcription by RNA polymerase II / positive regulation of DNA-templated transcription / negative regulation of transcription by RNA polymerase II / enzyme binding / signal transduction / positive regulation of transcription by RNA polymerase II / mitochondrion / DNA binding / zinc ion binding / nucleoplasm / nucleus
Similarity search - Function
Estrogen receptor beta-like, N-terminal / Estrogen receptor beta/gamma / Estrogen receptor beta / 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 ...Estrogen receptor beta-like, N-terminal / Estrogen receptor beta/gamma / Estrogen receptor beta / 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 / Zinc finger, C4 type (two domains) / 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-I0G / Estrogen receptor beta
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsWang, Y.
CitationJournal: J.Med.Chem. / Year: 2006
Title: Benzopyrans are selective estrogen receptor Beta agonists with novel activity in models of benign prostatic hyperplasia.
Authors: Norman, B.H. / Dodge, J.A. / Richardson, T.I. / Borromeo, P.S. / Lugar, C.W. / Jones, S.A. / Chen, K. / Wang, Y. / Durst, G.L. / Barr, R.J. / Montrose-Rafizadeh, C. / Osborne, H.E. / Amos, R. ...Authors: Norman, B.H. / Dodge, J.A. / Richardson, T.I. / Borromeo, P.S. / Lugar, C.W. / Jones, S.A. / Chen, K. / Wang, Y. / Durst, G.L. / Barr, R.J. / Montrose-Rafizadeh, C. / Osborne, H.E. / Amos, R.M. / Guo, S. / Boodhoo, A. / Krishnan, V.
History
DepositionAug 10, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 24, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 18, 2017Group: Refinement description / Category: software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version
Revision 1.4Aug 30, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / 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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

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


Theoretical massNumber of molelcules
Total (without water)59,0224
Polymers58,4572
Non-polymers5652
Water30617
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4470 Å2
ΔGint-15 kcal/mol
Surface area18890 Å2
MethodPISA
Unit cell
Length a, b, c (Å)63.196, 63.196, 249.255
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number169
Space group name H-MP61

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Components

#1: Protein Estrogen receptor beta / ER-beta


Mass: 29228.648 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ESR2, ESTRB, NR3A2 / Plasmid: pET-30 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)pLysS / References: UniProt: Q92731
#2: Chemical ChemComp-I0G / (3AS,4R,9BR)-4-(4-HYDROXYPHENYL)-1,2,3,3A,4,9B-HEXAHYDROCYCLOPENTA[C]CHROMEN-8-OL


Mass: 282.334 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C18H18O3 / Comment: agonist*YM
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 17 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.46 Å3/Da / Density % sol: 49.94 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 0.1M Tris, pH 8.0, 2M sodium chloride, 4% PEG 6000, VAPOR DIFFUSION, HANGING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Jul 11, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.5→50 Å / Num. all: 19497 / Num. obs: 19421 / % possible obs: 99.9 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 1.7 / Rmerge(I) obs: 0.123 / Χ2: 0.982 / Net I/σ(I): 5.4
Reflection shell
Resolution (Å)Rmerge(I) obsNum. unique allΧ2% possible all
2.5-2.590.99419210.70399.8
2.59-2.690.75619300.727100
2.69-2.820.68819610.74100
2.82-2.960.45219530.763100
2.96-3.150.31419500.829100
3.15-3.390.219190.897100
3.39-3.730.12419761.039100
3.73-4.270.08519401.135100
4.27-5.380.0719541.216100
5.38-500.07119931.63799.7

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
PDB_EXTRACT2data extraction
ADSCQUANTUMdata collection
HKL-2000data reduction
AMoREphasing
CNX2002refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 1QKM

1qkm


Resolution: 2.5→45.71 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 1889236.125 / 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
Rfree0.271 1033 5.3 %RANDOM
Rwork0.233 ---
all0.235 19497 --
obs0.235 19421 99.9 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 49.893 Å2 / ksol: 0.383 e/Å3
Displacement parametersBiso mean: 53.6 Å2
Baniso -1Baniso -2Baniso -3
1-2.2 Å21.19 Å20 Å2
2--2.2 Å20 Å2
3----4.41 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.41 Å0.34 Å
Luzzati d res low-5 Å
Luzzati sigma a0.43 Å0.37 Å
Refinement stepCycle: LAST / Resolution: 2.5→45.71 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3473 0 42 17 3532
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.01
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d18.8
X-RAY DIFFRACTIONc_improper_angle_d0.89
X-RAY DIFFRACTIONc_mcbond_it1.391.5
X-RAY DIFFRACTIONc_mcangle_it2.392
X-RAY DIFFRACTIONc_scbond_it2.362
X-RAY DIFFRACTIONc_scangle_it3.652.5
LS refinement shellResolution: 2.5→2.65 Å / Rfactor Rfree error: 0.026 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.33 162 5 %
Rwork0.298 3059 -
obs-3221 99.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2lig.parlig.top
X-RAY DIFFRACTION3water_rep.paramwater_rep.top

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