1xiu

Crystal structure of the agonist-bound ligand-binding domain of Biomphalaria glabrata RXR

Method: X-RAY DIFFRACTION Dmax: 77.0 Å Quality: GOOD

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

Nuclear receptor coactivator 1

OrganismNot specified

UniProt Q15788

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 × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain E; UniProt 686–700 Chain F; UniProt 686–700 Not recorded RXR-like protein × 4 9CR (9cis)-retinoic acid × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;HEPES, sodium formate, sodium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.50 Å R-free 0.243

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.

204 other PDB entries and 251 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NCOA1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 1–15; UniProt 686–700 Author chain F; PDBConstruct 1–15; UniProt 686–700

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 1xiu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1xiu
Deposition date deposition_date2004-09-22
Structure title titleCrystal structure of the agonist-bound ligand-binding domain of Biomphalaria glabrata RXR
Keywords keywordsNuclear Receptor, Protein-Ligand complex, Retinoid Receptor, TRANSCRIPTION-TRANSFERASE COMPLEX; TRANSCRIPTION/TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.23
Radius of gyration Rg (electron density) rg_electron22.98
Forward intensity I(0) i042674900.00
Molecular weight molecular_weight53078.0 kDa
Excluded volume excluded_volume67659 ų
Envelope volume envelope_volume81179 ų
Hydration-shell volume shell_volume28677 ų
Envelope diameter envelope_diameter79.4
Shell Rg shell_rg30.55
Envelope Rg envelope_rg23.40
Shape Rg shape_rg22.98
Total Rg total_rg23.89
Total atoms total_atoms3735
Residues n_residues467
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 dmax77.0
Rg (real space) rg_real24.10
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real4.2670e+07
I(0) uncertainty (real space) i0_real_error5.6100e+05
Rg (reciprocal space) rg_reciprocal24.13
I(0) (reciprocal space) i0_reciprocal42680000.0000
Solution quality estimate total_estimate0.8983
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.1
Skewness Skewness skewness0.192
Kurtosis Kurtosis kurtosis-0.411
Angular range angular_range— – 0.3300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9182000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.894; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.994

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_idd1xiua_
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_idd1xiub_
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_id1xiuA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id1xiuB00
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)