5egu

FIRST DOMAIN OF HUMAN BROMODOMAIN BRD4 IN COMPLEX WITH INHIBITOR 3-Butyl-8-(6-butyl-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-ylsulfanylmethyl)-7-ethyl-3,7-dihydropurine-2,6-dione

Method: X-RAY DIFFRACTION Dmax: 86.3 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 44–168 Fragment:N-TERMINAL BROMODOMAIN, RESIDUES 42-168 5NQ 3-butyl-8-[(6-butyl-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanylmethyl]-7-ethyl-purine-2,6-dione × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;292 K;Ratio 1:1 (protein:precipitant). 25 mg/mL BRD4_BD1 protein. 1.0 mM inhibitor (in DMSO) final concentration. Protein buffer: 0.01M HEPES (pH 7.5), 0.15M NaCl. Precipitant agent : 0.2M Ammonium sulfate, 0.1M Tris pH 8.5, 25% PEG3350. Cryoprotectant : 10% ethylene glycol. Resolution 2.21 Å R-free 0.235
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 44–168 Fragment:N-TERMINAL BROMODOMAIN, RESIDUES 42-168 5NQ 3-butyl-8-[(6-butyl-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanylmethyl]-7-ethyl-purine-2,6-dione × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;292 K;Ratio 1:1 (protein:precipitant). 25 mg/mL BRD4_BD1 protein. 1.0 mM inhibitor (in DMSO) final concentration. Protein buffer: 0.01M HEPES (pH 7.5), 0.15M NaCl. Precipitant agent : 0.2M Ammonium sulfate, 0.1M Tris pH 8.5, 25% PEG3350. Cryoprotectant : 10% ethylene glycol. Resolution 2.21 Å R-free 0.235
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 44–168 Fragment:N-TERMINAL BROMODOMAIN, RESIDUES 42-168 5NQ 3-butyl-8-[(6-butyl-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanylmethyl]-7-ethyl-purine-2,6-dione × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;292 K;Ratio 1:1 (protein:precipitant). 25 mg/mL BRD4_BD1 protein. 1.0 mM inhibitor (in DMSO) final concentration. Protein buffer: 0.01M HEPES (pH 7.5), 0.15M NaCl. Precipitant agent : 0.2M Ammonium sulfate, 0.1M Tris pH 8.5, 25% PEG3350. Cryoprotectant : 10% ethylene glycol. Resolution 2.21 Å R-free 0.235
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 44–168 Fragment:N-TERMINAL BROMODOMAIN, RESIDUES 42-168 5NQ 3-butyl-8-[(6-butyl-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)sulfanylmethyl]-7-ethyl-purine-2,6-dione × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;292 K;Ratio 1:1 (protein:precipitant). 25 mg/mL BRD4_BD1 protein. 1.0 mM inhibitor (in DMSO) final concentration. Protein buffer: 0.01M HEPES (pH 7.5), 0.15M NaCl. Precipitant agent : 0.2M Ammonium sulfate, 0.1M Tris pH 8.5, 25% PEG3350. Cryoprotectant : 10% ethylene glycol. Resolution 2.21 Å R-free 0.235

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 775 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 Author chain B; PDBConstruct 3–127; UniProt 44–168 Author chain C; PDBConstruct 3–127; UniProt 44–168 Author chain D; 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 5egu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5egu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5egu
Deposition date deposition_date2015-10-27
Structure title titleFIRST DOMAIN OF HUMAN BROMODOMAIN BRD4 IN COMPLEX WITH INHIBITOR 3-Butyl-8-(6-butyl-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-ylsulfanylmethyl)-7-ethyl-3,7-dihydropurine-2,6-dione
Keywords keywordsINHIBITOR, HISTONE, EPIGENETIC READER, BROMODOMAIN, BRD4, Brd4_BD1, Brd4_BD1 06-NOV, transcription; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.95
Radius of gyration Rg (electron density) rg_electron27.25
Forward intensity I(0) i050494900.00
Molecular weight molecular_weight57811.0 kDa
Excluded volume excluded_volume73457 ų
Envelope volume envelope_volume92071 ų
Hydration-shell volume shell_volume29011 ų
Envelope diameter envelope_diameter90.8
Shell Rg shell_rg33.76
Envelope Rg envelope_rg27.10
Shape Rg shape_rg27.24
Total Rg total_rg28.02
Total atoms total_atoms4074
Residues n_residues469
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 dmax86.3
Rg (real space) rg_real27.89
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real5.0490e+07
I(0) uncertainty (real space) i0_real_error6.5630e+05
Rg (reciprocal space) rg_reciprocal27.91
I(0) (reciprocal space) i0_reciprocal50500000.0000
Solution quality estimate total_estimate0.9129
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.8
Skewness Skewness skewness0.179
Kurtosis Kurtosis kurtosis-0.705
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10080000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.968; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.969

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd5egua_
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_idd5egub_
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_idd5eguc_
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_idd5egud1
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_idd5egud2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id5eguA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id5eguB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id5eguC01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id5eguD01
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)