1zky

Human Estrogen Receptor Alpha Ligand-Binding Domain In Complex With OBCP-3M and A Glucocorticoid Receptor Interacting Protein 1 Nr Box II Peptide

Method: X-RAY DIFFRACTION Dmax: 69.3 Å Quality: REASONABLE

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 298–554 Chain B; UniProt 298–554 Fragment:Ligand Binding Domain Mutation:Y537S Non-standard monomer:Yes (specific site not provided by mmCIF) Nuclear receptor coactivator 2 × 2 (Q15596) 689 4-[(1S,2S,5S)-5-(HYDROXYMETHYL)-6,8,9-TRIMETHYL-3-OXABICYCLO[3.3.1]NON-7-EN-2-YL]PHENOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;289 K;0.2M sodium malonate, 20% PEG 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K Resolution 2.25 Å R-free 0.231

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 1–257; UniProt 298–554 Author chain B; PDBConstruct 1–257; UniProt 298–554

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 686–698 Chain D; UniProt 686–698 Fragment:Residues 686 - 698 Estrogen receptor × 2 (P03372) 689 4-[(1S,2S,5S)-5-(HYDROXYMETHYL)-6,8,9-TRIMETHYL-3-OXABICYCLO[3.3.1]NON-7-EN-2-YL]PHENOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;289 K;0.2M sodium malonate, 20% PEG 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K Resolution 2.25 Å R-free 0.231

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 NCO2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–13; UniProt 686–698 Author chain D; PDBConstruct 1–13; UniProt 686–698

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 1zky

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1zky
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1zky
Deposition date deposition_date2005-05-04
Structure title titleHuman Estrogen Receptor Alpha Ligand-Binding Domain In Complex With OBCP-3M and A Glucocorticoid Receptor Interacting Protein 1 Nr Box II Peptide
Keywords keywordsEstrogen Receptor, LBD, GRIP peptide, HORMONE-GROWTH FACTOR RECEPTOR COMPLEX; HORMONE/GROWTH FACTOR RECEPTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.66
Radius of gyration Rg (electron density) rg_electron22.41
Forward intensity I(0) i052601400.00
Molecular weight molecular_weight58469.0 kDa
Excluded volume excluded_volume74100 ų
Envelope volume envelope_volume84147 ų
Hydration-shell volume shell_volume30044 ų
Envelope diameter envelope_diameter78.0
Shell Rg shell_rg30.25
Envelope Rg envelope_rg22.63
Shape Rg shape_rg22.43
Total Rg total_rg23.22
Total atoms total_atoms4085
Residues n_residues497
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 dmax69.3
Rg (real space) rg_real23.45
Rg uncertainty (real space) rg_real_error0.10
I(0) (real space) i0_real5.0700e+07
I(0) uncertainty (real space) i0_real_error5.2110e+05
Rg (reciprocal space) rg_reciprocal23.52
I(0) (reciprocal space) i0_reciprocal52600000.0000
Solution quality estimate total_estimate0.7168
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.2
Skewness Skewness skewness0.121
Kurtosis Kurtosis kurtosis-0.468
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha8.2810
Highest regularization parameter α highest_alpha13200000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.957; Stabil: 0.912; Sysdev: 0.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.751

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1zkya_
Class classa — All alpha proteins
Fold Fold folda.123 — Nuclear receptor ligand-binding domain
Superfamily Superfamily superfamilya.123.1 — Nuclear receptor ligand-binding domain
Family Family familya.123.1.1 — Nuclear receptor ligand-binding domain
Domain ID domain_idd1zkyb_
Class classa — All alpha proteins
Fold Fold folda.123 — Nuclear receptor ligand-binding domain
Superfamily Superfamily superfamilya.123.1 — Nuclear receptor ligand-binding domain
Family Family familya.123.1.1 — Nuclear receptor ligand-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id1zkyA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id1zkyB00
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)