6fbr

Crystal Structure of the Human Retinoid X Receptor DNA-Binding Domain Bound to the Human MEp DR1 Response Element, pH 4.2

Method: X-RAY DIFFRACTION Dmax: 65.9 Å Quality: GOOD

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

Retinoic acid receptor RXR-alpha

Homo sapiens

UniProt P19793

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–DNA Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 33–115 Chain B; UniProt 33–115 Not recorded ;DNA (5'-D(*CP*TP*GP*GP*GP*TP*CP*AP*AP*AP*GP*TP*TP*CP*AP*TP*C)-3') ; × 1 ;DNA (5'-D(*GP*AP*TP*GP*AP*AP*CP*TP*TP*TP*GP*AP*CP*CP*CP*AP*G)-3') ; × 1 ZN ZINC ION × 2 PO4 PHOSPHATE ION × 1 PGE TRIETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.2;293 K;40% PEG 300, 0.1M sodium phosphate citrate pH 4.2 Resolution 2.10 Å R-free 0.232

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.

107 other PDB entries and 138 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RXRA_HUMAN
Isoform P19793-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–87; UniProt 33–115 Author chain B; PDBConstruct 5–87; UniProt 33–115

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 6fbr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6fbr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6fbr
Deposition date deposition_date2017-12-19
Structure title titleCrystal Structure of the Human Retinoid X Receptor DNA-Binding Domain Bound to the Human MEp DR1 Response Element, pH 4.2
Keywords keywordsTRANSCRIPTION-DNA COMPLEX, NUCLEAR RECEPTOR, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.94
Radius of gyration Rg (electron density) rg_electron19.65
Forward intensity I(0) i024951000.00
Molecular weight molecular_weight29576.0 kDa
Excluded volume excluded_volume33316 ų
Envelope volume envelope_volume42306 ų
Hydration-shell volume shell_volume18415 ų
Envelope diameter envelope_diameter67.6
Shell Rg shell_rg25.26
Envelope Rg envelope_rg19.86
Shape Rg shape_rg19.62
Total Rg total_rg20.32
Total atoms total_atoms2006
Residues n_residues193
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 dmax65.9
Rg (real space) rg_real19.96
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real2.4950e+07
I(0) uncertainty (real space) i0_real_error3.1000e+05
Rg (reciprocal space) rg_reciprocal19.96
I(0) (reciprocal space) i0_reciprocal24950000.0000
Solution quality estimate total_estimate0.8855
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.3
Skewness Skewness skewness0.382
Kurtosis Kurtosis kurtosis-0.340
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4961000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.854; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.952; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id6fbrA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology50 — Erythroid Transcription Factor GATA-1; Chain A
Homologous superfamily homologous superfamily10 — Erythroid Transcription Factor GATA-1, subunit A
Domain ID domain_id6fbrB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology50 — Erythroid Transcription Factor GATA-1; Chain A
Homologous superfamily homologous superfamily10 — Erythroid Transcription Factor GATA-1, subunit A

8. Citations (1)

9. Files and Curves (10)