8wxy

Crystal Structure of the first bromodomain of human BRD4 in complex with the inhibitor 23

Method: X-RAY DIFFRACTION Dmax: 78.0 Å Quality: EXCELLENT

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

Bromodomain-containing protein 4

Homo sapiens

UniProt O60885

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 44–168 Chain B; UniProt 44–168 Chain C; UniProt 44–168 Not recorded XGN 5-[2-(4-fluoranyl-2,6-dimethyl-phenoxy)-5-(2-oxidanylpropan-2-yl)phenyl]-1-methyl-4-[(2-morpholin-4-yl-2-oxidanylidene-ethyl)amino]pyridin-2-one × 3 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.9;277 K;1.8 M Sodium phosphate monobasic monohydrate, Potassium phosphate dibasic / pH 6.9 Resolution 2.87 Å R-free 0.249

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.

601 other PDB entries and 778 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 17–141; UniProt 44–168 Author chain B; PDBConstruct 17–141; UniProt 44–168 Author chain C; PDBConstruct 17–141; UniProt 44–168

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 8wxy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8wxy
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8wxy
Deposition date deposition_date2023-10-30
Structure title titleCrystal Structure of the first bromodomain of human BRD4 in complex with the inhibitor 23
Keywords keywordsBRD4(1), Bromodomain, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.65
Radius of gyration Rg (electron density) rg_electron25.76
Forward intensity I(0) i023268100.00
Molecular weight molecular_weight40114.0 kDa
Excluded volume excluded_volume51367 ų
Envelope volume envelope_volume66274 ų
Hydration-shell volume shell_volume21645 ų
Envelope diameter envelope_diameter81.4
Shell Rg shell_rg33.12
Envelope Rg envelope_rg25.10
Shape Rg shape_rg25.75
Total Rg total_rg26.69
Total atoms total_atoms2831
Residues n_residues321
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 dmax78.0
Rg (real space) rg_real26.60
Rg uncertainty (real space) rg_real_error0.57
I(0) (real space) i0_real2.3270e+07
I(0) uncertainty (real space) i0_real_error3.5900e+05
Rg (reciprocal space) rg_reciprocal26.62
I(0) (reciprocal space) i0_reciprocal23270000.0000
Solution quality estimate total_estimate0.9092
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary22.1
Skewness Skewness skewness0.099
Kurtosis Kurtosis kurtosis-0.889
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6878000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.965; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.935; Smooth: 0.986

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)