6ffe

Human BRD2 C-terminal bromodomain with 2-((4-acetyl-3-cyclopropyl-3,4-dihydroquinoxalin-1(2H)-yl)methyl)benzoic acid

Method: X-RAY DIFFRACTION Dmax: 54.3 Å Quality: GOOD

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

Bromodomain-containing protein 2

Homo sapiens

UniProt P25440

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 344–455 Not recorded PEG DI(HYDROXYETHYL)ETHER × 2 EDO 1,2-ETHANEDIOL × 2 D7Q 2-((4-acetyl-3-cyclopropyl-3,4-dihydroquinoxalin-1(2H)-yl)methyl)benzoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;279.5 K;0.1M MES, pH6.5 30% PEG300 Resolution 1.76 Å R-free 0.230

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.

164 other PDB entries and 264 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–115; UniProt 344–455

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 6ffe

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6ffe
Deposition date deposition_date2018-01-07
Structure title titleHuman BRD2 C-terminal bromodomain with 2-((4-acetyl-3-cyclopropyl-3,4-dihydroquinoxalin-1(2H)-yl)methyl)benzoic acid
Keywords keywordsINHIBITOR, HISTONE, EPIGENETIC READER, BROMODOMAIN, BRD4, BROMODOMAIN CONTAINING PROTEIN 4, ANTAGONIST, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.75
Radius of gyration Rg (electron density) rg_electron14.54
Forward intensity I(0) i03709590.00
Molecular weight molecular_weight13844.0 kDa
Excluded volume excluded_volume17396 ų
Envelope volume envelope_volume19679 ų
Hydration-shell volume shell_volume11786 ų
Envelope diameter envelope_diameter53.8
Shell Rg shell_rg19.86
Envelope Rg envelope_rg15.01
Shape Rg shape_rg14.54
Total Rg total_rg15.64
Total atoms total_atoms974
Residues n_residues113
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 dmax54.3
Rg (real space) rg_real15.73
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real3.7100e+06
I(0) uncertainty (real space) i0_real_error4.0570e+04
Rg (reciprocal space) rg_reciprocal15.73
I(0) (reciprocal space) i0_reciprocal3710000.0000
Solution quality estimate total_estimate0.8627
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.9
Skewness Skewness skewness0.336
Kurtosis Kurtosis kurtosis-0.204
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha738300.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.754; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6ffea1
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_idd6ffea2
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_id6ffeA00
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)