1err

HUMAN ESTROGEN RECEPTOR LIGAND-BINDING DOMAIN IN COMPLEX WITH RALOXIFENE

Method: X-RAY DIFFRACTION Dmax: 69.5 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 301–553 Chain B; UniProt 301–553 Fragment:LIGAND-BINDING DOMAIN Non-standard monomer:Yes (specific site not provided by mmCIF) RAL RALOXIFENE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;12% (W/V) PEG 4000, 0.2M MAGNESIUM CHLORIDE, 50MM L-LYSINE, 0.1M SUCROSE, 5% 1,4-DIOXANE, 0.1M TRIS-HCL, PH 8.5 Resolution 2.60 Å R-free 0.299

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 1–253; UniProt 301–553 Author chain B; PDBConstruct 1–253; UniProt 301–553

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 1err

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1err
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1err
Deposition date deposition_date1997-09-08
Structure title titleHUMAN ESTROGEN RECEPTOR LIGAND-BINDING DOMAIN IN COMPLEX WITH RALOXIFENE
Keywords keywordsNUCLEAR RECEPTOR, TRANSCRIPTION FACTOR, STEROID, ANTAGONIST; NUCLEAR RECEPTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.98
Radius of gyration Rg (electron density) rg_electron21.78
Forward intensity I(0) i040538600.00
Molecular weight molecular_weight50997.0 kDa
Excluded volume excluded_volume64620 ų
Envelope volume envelope_volume72920 ų
Hydration-shell volume shell_volume27171 ų
Envelope diameter envelope_diameter71.7
Shell Rg shell_rg29.22
Envelope Rg envelope_rg21.92
Shape Rg shape_rg21.81
Total Rg total_rg22.59
Total atoms total_atoms3570
Residues n_residues446
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 dmax69.5
Rg (real space) rg_real22.82
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real4.0540e+07
I(0) uncertainty (real space) i0_real_error5.2000e+05
Rg (reciprocal space) rg_reciprocal22.86
I(0) (reciprocal space) i0_reciprocal40540000.0000
Solution quality estimate total_estimate0.7143
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.9
Skewness Skewness skewness0.125
Kurtosis Kurtosis kurtosis-0.487
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8074000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 0.171; Positv: 1.000; Valcen: 0.980; Smooth: 0.974

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1erra_
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_idd1errb_
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_id1errA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id1errB00
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)