8ckf

Crystal Structure of the first bromodomain of human BRD4 L94C variant in complex with racemic 3,5-dimethylisoxazol ligand

Method: X-RAY DIFFRACTION Dmax: 50.1 Å Quality: REASONABLE

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 44–168 Mutation:L94C E5Q 3-(3,5-dimethyl-1,2-oxazol-4-yl)-5-[(~{R})-oxidanyl(pyridin-3-yl)methyl]phenol × 1 V0R 3-(3,5-dimethyl-1,2-oxazol-4-yl)-5-[(~{S})-oxidanyl(pyridin-3-yl)methyl]phenol × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;0.15 M Ammonium sulfate, 0.1 M Bis-Tris pH 5.5 Resolution 1.88 Å R-free 0.260

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 O60885-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 24–148; 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 8ckf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8ckf
Deposition date deposition_date2023-02-15
Structure title titleCrystal Structure of the first bromodomain of human BRD4 L94C variant in complex with racemic 3,5-dimethylisoxazol ligand
Keywords keywordsBROMODOMAIN, LIGAND, EPIGENETICS, READER DOMAIN, TRANSCRIPTION REGULATION, GENE REGULATION; GENE REGULATION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.54
Radius of gyration Rg (electron density) rg_electron14.45
Forward intensity I(0) i03647490.00
Molecular weight molecular_weight14230.0 kDa
Excluded volume excluded_volume18077 ų
Envelope volume envelope_volume19789 ų
Hydration-shell volume shell_volume11872 ų
Envelope diameter envelope_diameter48.4
Shell Rg shell_rg19.85
Envelope Rg envelope_rg14.78
Shape Rg shape_rg14.44
Total Rg total_rg15.60
Total atoms total_atoms1967
Residues n_residues123
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 dmax50.1
Rg (real space) rg_real15.49
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real3.6470e+06
I(0) uncertainty (real space) i0_real_error4.2000e+04
Rg (reciprocal space) rg_reciprocal15.49
I(0) (reciprocal space) i0_reciprocal3647000.0000
Solution quality estimate total_estimate0.7435
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.8
Skewness Skewness skewness0.248
Kurtosis Kurtosis kurtosis-0.382
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha823000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.866; Stabil: 1.000; Sysdev: 0.368; Positv: 1.000; Valcen: 0.999; Smooth: 0.959

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)