6g0s

Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated SIRT7 peptide (K272ac/K275ac)

Method: X-RAY DIFFRACTION Dmax: 80.2 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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 42–168 Chain B; UniProt 42–168 Not recorded NAD-dependent protein deacetylase sirtuin-7 × 1 (Q9NRC8) EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;277 K;20.0 % PEG3350 10.0 % EtGly 0.1 M bis-tris-propane pH 8.5 0.2M NaOOCCH3 Resolution 1.48 Å R-free 0.209

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 1–127; UniProt 42–168 Author chain B; PDBConstruct 1–127; UniProt 42–168

NAD-dependent protein deacetylase sirtuin-7

OrganismNot specified

UniProt Q9NRC8

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 269–279 Non-standard monomer:Yes (specific site not provided by mmCIF) Bromodomain-containing protein 4 × 2 (O60885) EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;277 K;20.0 % PEG3350 10.0 % EtGly 0.1 M bis-tris-propane pH 8.5 0.2M NaOOCCH3 Resolution 1.48 Å R-free 0.209

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SIR7_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 1–11; UniProt 269–279

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 6g0s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6g0s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6g0s
Deposition date deposition_date2018-03-19
Structure title titleCrystal Structure of the first bromodomain of human BRD4 in complex with an acetylated SIRT7 peptide (K272ac/K275ac)
Keywords keywordsBromodomain, transcription, complex; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.92
Radius of gyration Rg (electron density) rg_electron23.07
Forward intensity I(0) i015011600.00
Molecular weight molecular_weight30859.0 kDa
Excluded volume excluded_volume39236 ų
Envelope volume envelope_volume47536 ų
Hydration-shell volume shell_volume18272 ų
Envelope diameter envelope_diameter81.7
Shell Rg shell_rg28.73
Envelope Rg envelope_rg23.23
Shape Rg shape_rg23.08
Total Rg total_rg23.80
Total atoms total_atoms2174
Residues n_residues260
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 dmax80.2
Rg (real space) rg_real24.10
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real1.5010e+07
I(0) uncertainty (real space) i0_real_error1.9900e+05
Rg (reciprocal space) rg_reciprocal24.06
I(0) (reciprocal space) i0_reciprocal15010000.0000
Solution quality estimate total_estimate0.8459
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.3
Skewness Skewness skewness0.441
Kurtosis Kurtosis kurtosis-0.509
Angular range angular_range— – 0.3300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5101000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.794; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.713; Smooth: 0.897

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id6g0sA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6g0sB01
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)