4iwc

Crystal Structure of the Estrogen Receptor alpha Ligand-binding Domain in Complex with a Dynamic Thiophene-derivative

Method: X-RAY DIFFRACTION Dmax: 72.2 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Estrogen receptor

Homo sapiens

UniProt P03372

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 303–549 Chain B; UniProt 303–549 Fragment:Ligand-binding Domain, UNP residues 303-549 Mutation:Y537S Nuclear receptor coactivator 2 × 2 (Q15596) 1GV 4,4'-thiene-2,5-diylbis(3-methylphenol) × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.3;294 K;15% PEG 3350, 0.05M magnesium chloride, 0.067M sodium chloride, 0.1M Tris, pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 2.24 Å R-free 0.227

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

434 other PDB entries and 522 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ESR1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–247; UniProt 303–549 Author chain B; PDBConstruct 1–247; UniProt 303–549

Nuclear receptor coactivator 2

OrganismNot specified

UniProt Q15596

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 687–696 Chain D; UniProt 687–696 Fragment:Receptor-interacting peptide, UNP residues 687-696 Estrogen receptor × 2 (P03372) 1GV 4,4'-thiene-2,5-diylbis(3-methylphenol) × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.3;294 K;15% PEG 3350, 0.05M magnesium chloride, 0.067M sodium chloride, 0.1M Tris, pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 2.24 Å R-free 0.227

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

283 other PDB entries and 334 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NCOA2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–10; UniProt 687–696 Author chain D; PDBConstruct 1–10; UniProt 687–696

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 4iwc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4iwc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4iwc
Deposition date deposition_date2013-01-23
Structure title titleCrystal Structure of the Estrogen Receptor alpha Ligand-binding Domain in Complex with a Dynamic Thiophene-derivative
Keywords keywordsNuclear hormone receptor, Transcription factor, ligand-binding, Nucleus, Transcription; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier23.50
Radius of gyration Rg (electron density) rg_electron22.28
Forward intensity I(0) i049701000.00
Molecular weight molecular_weight56491.0 kDa
Excluded volume excluded_volume71444 ų
Envelope volume envelope_volume81707 ų
Hydration-shell volume shell_volume29441 ų
Envelope diameter envelope_diameter77.0
Shell Rg shell_rg30.06
Envelope Rg envelope_rg22.47
Shape Rg shape_rg22.30
Total Rg total_rg23.07
Total atoms total_atoms3953
Residues n_residues495
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax72.2
Rg (real space) rg_real23.33
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real4.9700e+07
I(0) uncertainty (real space) i0_real_error5.5730e+05
Rg (reciprocal space) rg_reciprocal23.38
I(0) (reciprocal space) i0_reciprocal49700000.0000
Solution quality estimate total_estimate0.8994
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary71.1
Skewness Skewness skewness0.127
Kurtosis Kurtosis kurtosis-0.457
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12860000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.910; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.978; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4iwcA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id4iwcB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor

8. Citations (1)

9. Files and Curves (10)