1qku

WILD TYPE ESTROGEN NUCLEAR RECEPTOR LIGAND BINDING DOMAIN COMPLEXED WITH ESTRADIOL

Method: X-RAY DIFFRACTION Dmax: 111.3 Å Quality: GOOD

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

ESTRADIOL 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 301–550 Fragment:LIGAND BINDING DOMAIN EST ESTRADIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 3.20 Å R-free 0.275
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 301–550 Chain C; UniProt 301–550 Fragment:LIGAND BINDING DOMAIN EST ESTRADIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 3.20 Å R-free 0.275

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 521 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 1–250; UniProt 301–550 Author chain B; PDBConstruct 1–250; UniProt 301–550 Author chain C; PDBConstruct 1–250; UniProt 301–550

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 1qku

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1qku
Deposition date deposition_date1999-08-05
Structure title titleWILD TYPE ESTROGEN NUCLEAR RECEPTOR LIGAND BINDING DOMAIN COMPLEXED WITH ESTRADIOL
Keywords keywordsNUCLEAR RECEPTOR, AGONISM, ANTAGONISM, ESTRADIOL RECEPTOR, STEROID, STRUCTURAL PROTEOMICS IN EUROPE, SPINE, STRUCTURAL GENOMICS; NUCLEAR RECEPTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier34.26
Radius of gyration Rg (electron density) rg_electron33.95
Forward intensity I(0) i0107538000.00
Molecular weight molecular_weight85727.0 kDa
Excluded volume excluded_volume108670 ų
Envelope volume envelope_volume136010 ų
Hydration-shell volume shell_volume35234 ų
Envelope diameter envelope_diameter114.2
Shell Rg shell_rg38.69
Envelope Rg envelope_rg33.61
Shape Rg shape_rg33.95
Total Rg total_rg34.35
Total atoms total_atoms6000
Residues n_residues744
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 dmax111.3
Rg (real space) rg_real34.47
Rg uncertainty (real space) rg_real_error1.06
I(0) (real space) i0_real1.0750e+08
I(0) uncertainty (real space) i0_real_error1.9950e+06
Rg (reciprocal space) rg_reciprocal34.35
I(0) (reciprocal space) i0_reciprocal107500000.0000
Solution quality estimate total_estimate0.8314
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary65.4
Skewness Skewness skewness0.423
Kurtosis Kurtosis kurtosis-0.690
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha25760000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.733; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.859; Smooth: 0.747

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1qkua_
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_idd1qkub_
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_idd1qkuc_
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 (3 domains)

Domain ID domain_id1qkuA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id1qkuB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id1qkuC00
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)