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- PDB-1g50: CRYSTAL STRUCTURE OF A WILD TYPE HER ALPHA LBD AT 2.9 ANGSTROM RE... -

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Basic information

Entry
Database: PDB / ID: 1g50
TitleCRYSTAL STRUCTURE OF A WILD TYPE HER ALPHA LBD AT 2.9 ANGSTROM RESOLUTION
ComponentsESTROGEN RECEPTOR
KeywordsDNA BINDING PROTEIN / alpha helices / estradiol / Structural Proteomics in Europe / SPINE / Structural Genomics
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 / prostate epithelial cord arborization involved in prostate glandular acinus morphogenesis / nuclear estrogen receptor activity / 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 / prostate epithelial cord arborization involved in prostate glandular acinus morphogenesis / nuclear estrogen receptor activity / epithelial cell proliferation involved in mammary gland duct elongation / epithelial cell development / prostate epithelial cord elongation / mammary gland branching involved in pregnancy / negative regulation of smooth muscle cell apoptotic process / uterus development / vagina development / TFIIB-class transcription factor binding / androgen metabolic process / steroid hormone receptor signaling pathway / mammary gland alveolus development / cellular response to estrogen stimulus / estrogen response element binding / nuclear receptor-mediated steroid hormone signaling pathway / negative regulation of canonical NF-kappaB signal transduction / Nuclear signaling by ERBB4 / RNA polymerase II preinitiation complex assembly / 14-3-3 protein binding / protein localization to chromatin / estrogen receptor signaling pathway / steroid binding / nitric-oxide synthase regulator activity / TBP-class protein binding / TFAP2 (AP-2) family regulates transcription of growth factors and their receptors / ESR-mediated signaling / transcription corepressor binding / negative regulation of miRNA transcription / positive regulation of nitric-oxide synthase activity / cellular response to estradiol stimulus / transcription coregulator binding / stem cell differentiation / nuclear estrogen receptor binding / positive regulation of DNA-binding transcription factor activity / SUMOylation of intracellular receptors / euchromatin / negative regulation of DNA-binding transcription factor activity / transcription coactivator binding / Nuclear Receptor transcription pathway / beta-catenin binding / response to estrogen / Constitutive Signaling by Aberrant PI3K in Cancer / nuclear receptor activity / male gonad development / Regulation of RUNX2 expression and activity / sequence-specific double-stranded DNA binding / positive regulation of fibroblast proliferation / positive regulation of nitric oxide biosynthetic process / Ovarian tumor domain proteases / PIP3 activates AKT signaling / response to estradiol / ATPase binding / phospholipase C-activating G protein-coupled receptor signaling pathway / positive regulation of cytosolic calcium ion concentration / regulation of inflammatory response / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / fibroblast proliferation / DNA-binding transcription activator activity, RNA polymerase II-specific / Estrogen-dependent gene expression / transcription regulator complex / Extra-nuclear estrogen signaling / calmodulin binding / DNA-binding transcription factor activity, RNA polymerase II-specific / chromatin remodeling / DNA-binding transcription factor activity / RNA polymerase II cis-regulatory region sequence-specific DNA binding / negative regulation of gene expression / chromatin binding / regulation of DNA-templated transcription / chromatin / regulation of transcription by RNA polymerase II / protein kinase binding / positive regulation of DNA-templated transcription / Golgi apparatus / negative regulation of transcription by RNA polymerase II / enzyme binding / signal transduction / positive regulation of transcription by RNA polymerase II / protein-containing complex / zinc ion binding / nucleoplasm / identical protein binding / membrane / nucleus / 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 / 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
ESTRADIOL / Estrogen receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.9 Å
AuthorsEiler, S. / Gangloff, M. / Duclaud, S. / Moras, D. / Ruff, M. / Structural Proteomics in Europe (SPINE)
CitationJournal: Protein Expr.Purif. / Year: 2001
Title: Overexpression, Purification, and Crystal Structure of Native ER alpha LBD
Authors: Eiler, S. / Gangloff, M. / Duclaud, S. / Moras, D. / Ruff, M.
History
DepositionOct 30, 2000Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 6, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 9, 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_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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

Downloads & links

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Assembly

Deposited unit
A: ESTROGEN RECEPTOR
B: ESTROGEN RECEPTOR
C: ESTROGEN RECEPTOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)85,6406
Polymers84,8233
Non-polymers8173
Water2,972165
1
A: ESTROGEN RECEPTOR
hetero molecules

A: ESTROGEN RECEPTOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)57,0934
Polymers56,5492
Non-polymers5452
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation5_555x-y,-y,-z+1/31
2
B: ESTROGEN RECEPTOR
C: ESTROGEN RECEPTOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)57,0934
Polymers56,5492
Non-polymers5452
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4790 Å2
ΔGint-15 kcal/mol
Surface area19900 Å2
MethodPISA
Unit cell
Length a, b, c (Å)105.500, 105.500, 136.080
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein ESTROGEN RECEPTOR


Mass: 28274.289 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET15B / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P03372
#2: Chemical ChemComp-EST / ESTRADIOL


Mass: 272.382 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C18H24O2 / Comment: hormone*YM
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 165 / 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: 2.58 Å3/Da / Density % sol: 52.26 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.1
Details: PEG400, pH 7.1, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal grow
*PLUS
Temperature: 4 ℃ / pH: 7.3
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
15 mg/mlprotein1drop
250 mM1dropNaCl
350 mMTris-maleate/HCl1droppH8.
40.010 mMestradiol1drop
550 mMbeta-mercaptoethanol1drop
62-10 %PEG4001drop
7400 mM1dropNaCl
850 mMbeta-mercaptoethanol1drop
950 mMimidazole1droppH7.3
104-20 %PEG4001reservoir
11350-950 mM1reservoirNaCl
1250 mMimidazole1reservoir
1350 mMbeta-mercaptoethanol1reservoir

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM30A / Wavelength: 0.9934 Å
DetectorDetector: CCD / Date: Apr 1, 1997
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9934 Å / Relative weight: 1
ReflectionResolution: 2.9→40 Å / Num. all: 20000 / Num. obs: 18142 / % possible obs: 91 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 1.8 % / Biso Wilson estimate: 34.9 Å2 / Rsym value: 8
Reflection
*PLUS
% possible obs: 91 % / Rmerge(I) obs: 0.08
Reflection shell
*PLUS
Highest resolution: 2.9 Å / Lowest resolution: 3.1 Å / % possible obs: 78 %

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Processing

Software
NameClassification
AMoREphasing
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementStarting model: pdb entry 1qkt

1qkt


Resolution: 2.9→49.18 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 1999535.89 / Data cutoff high rms absF: 1999535.89 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.31 1778 9.8 %RANDOM
Rwork0.241 ---
obs0.241 18142 91 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 44.13 Å2 / ksol: 0.322 e/Å3
Displacement parametersBiso mean: 61.2 Å2
Baniso -1Baniso -2Baniso -3
1-18.9 Å2-0.97 Å20 Å2
2--18.9 Å20 Å2
3----37.8 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.56 Å0.41 Å
Luzzati d res low-5 Å
Luzzati sigma a0.84 Å0.67 Å
Refinement stepCycle: LAST / Resolution: 2.9→49.18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5884 0 60 165 6109
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.014
X-RAY DIFFRACTIONc_angle_deg1.5
X-RAY DIFFRACTIONc_dihedral_angle_d19.4
X-RAY DIFFRACTIONc_improper_angle_d0.87
X-RAY DIFFRACTIONc_mcbond_it1.191.5
X-RAY DIFFRACTIONc_mcangle_it2.082
X-RAY DIFFRACTIONc_scbond_it1.512
X-RAY DIFFRACTIONc_scangle_it2.392.5
LS refinement shellResolution: 2.9→3.08 Å / Rfactor Rfree error: 0.029 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.465 252 9.9 %
Rwork0.382 2288 -
obs--78 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PAPROTEIN.TOP
X-RAY DIFFRACTION2ESTRADIOL.PARAMESTRADIOL.TOP
X-RAY DIFFRACTION3WATER_REP.PARAWATER.TOP
Software
*PLUS
Name: CNS / Classification: refinement
Refinement
*PLUS
Lowest resolution: 15 Å / σ(F): 0 / % reflection Rfree: 9.8 % / Rfactor Rfree: 0.31
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 61.2 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_angle_deg1.5
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg19.4
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.87
X-RAY DIFFRACTIONc_mcbond_it1.191.5
X-RAY DIFFRACTIONc_scbond_it1.512
X-RAY DIFFRACTIONc_mcangle_it2.082
X-RAY DIFFRACTIONc_scangle_it2.392.5
LS refinement shell
*PLUS
Rfactor Rfree: 0.465 / % reflection Rfree: 9.9 % / Rfactor Rwork: 0.382

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