4o78

Crystal structure of the first bromodomain of human BRD4 in complex with GW612286X

Method: X-RAY DIFFRACTION Dmax: 53.3 Å Quality: GOOD

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 Fragment:UNP residues 44-168 SAV N~4~-(3-methyl-1H-indazol-6-yl)-N~2~-(3,4,5-trimethoxyphenyl)pyrimidine-2,4-diamine × 1 EDO 1,2-ETHANEDIOL × 5 PGE TRIETHYLENE GLYCOL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;291 K;12.5 MG/ML BRD4, 5MM HEPES pH 7.5, 50MM SODIUM CHLORIDE, 0.5MM DTT, 50MM TRIS PH8.5, 0.1M AMMONIUM SULFATE, 12.5% PEG 3,350, 10% DMSO, 1 MM GW612286X, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 1.34 Å R-free 0.144

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 3–127; 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 4o78

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4o78
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4o78
Deposition date deposition_date2013-12-24
Structure title titleCrystal structure of the first bromodomain of human BRD4 in complex with GW612286X
Keywords keywords;BROMODOMAIN, CAP, HUNK1, MCAP, PROTEIN BINDING-INHIBITOR COMPLEX, MITOTIC CHROMOSOME ASSOCIATED PROTEIN, CELL CYCLE, INHIBITOR, TRANSCRIPTION-INHIBITOR complex ;; TRANSCRIPTION/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.14
Radius of gyration Rg (electron density) rg_electron15.09
Forward intensity I(0) i04609030.00
Molecular weight molecular_weight15970.0 kDa
Excluded volume excluded_volume20223 ų
Envelope volume envelope_volume22415 ų
Hydration-shell volume shell_volume12813 ų
Envelope diameter envelope_diameter51.5
Shell Rg shell_rg20.51
Envelope Rg envelope_rg15.44
Shape Rg shape_rg15.07
Total Rg total_rg16.19
Total atoms total_atoms2240
Residues n_residues127
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 dmax53.3
Rg (real space) rg_real16.10
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real4.6090e+06
I(0) uncertainty (real space) i0_real_error5.4250e+04
Rg (reciprocal space) rg_reciprocal16.10
I(0) (reciprocal space) i0_reciprocal4609000.0000
Solution quality estimate total_estimate0.8810
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.2
Skewness Skewness skewness0.294
Kurtosis Kurtosis kurtosis-0.325
Angular range angular_range— – 0.4950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1160000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.829; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.970

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4o78a1
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.0 — automated matches
Domain ID domain_idd4o78a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id4o78A01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like

8. Citations (1)

9. Files and Curves (10)