2ocf

Human estrogen receptor alpha ligand-binding domain in complex with estradiol and the E2#23 FN3 monobody

Method: X-RAY DIFFRACTION Dmax: 68.9 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 298–595 Fragment:Ligand Binding Domain, Residues 298-595 Mutation:Y537S Non-standard monomer:Yes (specific site not provided by mmCIF) Fibronectin × 2 (P02751) EST ESTRADIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;289 K;2.5M NaCl, 0.1M Imidazole, pH 8.0, 0.2M Zn(OAc)2, VAPOR DIFFUSION, SITTING DROP, temperature 289K Resolution 2.95 Å R-free 0.251

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 1–298; UniProt 298–595

Fibronectin

Homo sapiens

UniProt P02751

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 D; UniProt 1447–1540 Fragment:E2#23 FN3 MONOBODY, Fibronectin type III Domain 10, Residues 1447-1540 Mutation:R1452T, D1453K, R1524L, G1525R, D1526L, S1527M, P1528L, S1530G Estrogen receptor × 2 (P03372) EST ESTRADIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;289 K;2.5M NaCl, 0.1M Imidazole, pH 8.0, 0.2M Zn(OAc)2, VAPOR DIFFUSION, SITTING DROP, temperature 289K Resolution 2.95 Å R-free 0.251

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.

54 other PDB entries and 103 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FINC_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 28–121; UniProt 1447–1540

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 2ocf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ocf
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ocf
Deposition date deposition_date2006-12-20
Structure title titleHuman estrogen receptor alpha ligand-binding domain in complex with estradiol and the E2#23 FN3 monobody
Keywords keywordsEstrogen Receptor, LBD, monobody, estradiol, HORMONE-GROWTH FACTOR COMPLEX; HORMONE/GROWTH FACTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.69
Radius of gyration Rg (electron density) rg_electron20.44
Forward intensity I(0) i021972500.00
Molecular weight molecular_weight36835.0 kDa
Excluded volume excluded_volume46726 ų
Envelope volume envelope_volume55348 ų
Hydration-shell volume shell_volume22510 ų
Envelope diameter envelope_diameter70.3
Shell Rg shell_rg27.09
Envelope Rg envelope_rg20.59
Shape Rg shape_rg20.43
Total Rg total_rg21.39
Total atoms total_atoms2579
Residues n_residues324
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 dmax68.9
Rg (real space) rg_real21.55
Rg uncertainty (real space) rg_real_error0.39
I(0) (real space) i0_real2.1970e+07
I(0) uncertainty (real space) i0_real_error2.6790e+05
Rg (reciprocal space) rg_reciprocal21.58
I(0) (reciprocal space) i0_reciprocal21970000.0000
Solution quality estimate total_estimate0.8989
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.8
Skewness Skewness skewness0.137
Kurtosis Kurtosis kurtosis-0.475
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4662000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.898; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.987

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_idd2ocfa_
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_idd2ocfd_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.2 — Fibronectin type III
Family Family familyb.1.2.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id2ocfA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id2ocfD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)