4akn

N-Terminal Bromodomain of Human BRD2 With tbutyl-phenyl-amino- dimethyl-oxazolyl-quinoline-carboxylic acid

Method: X-RAY DIFFRACTION Dmax: 77.3 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 67–200 Chain B; UniProt 67–200 Fragment:RESIDUES 67-200 EDO 1,2-ETHANEDIOL × 1 S5B 4-[(2-tert-butylphenyl)amino]-7-(3,5-dimethyl-1,2-oxazol-4-yl)quinoline-3-carboxylic acid × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;293 K;20-26 % PEG3350, 0.2 M (NH4)2SO4, 100 MM HEPES PH 7.0. AT 20C Resolution 1.82 Å R-free 0.197
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 67–200 Fragment:RESIDUES 67-200 SO4 SULFATE ION × 2 DMS DIMETHYL SULFOXIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;293 K;20-26 % PEG3350, 0.2 M (NH4)2SO4, 100 MM HEPES PH 7.0. AT 20C Resolution 1.82 Å R-free 0.197

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 263 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 21–153; UniProt 67–200 Author chain B; PDBConstruct 21–153; UniProt 67–200 Author chain C; PDBConstruct 21–153; UniProt 67–200

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 4akn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4akn
Deposition date deposition_date2012-02-26
Structure title titleN-Terminal Bromodomain of Human BRD2 With tbutyl-phenyl-amino- dimethyl-oxazolyl-quinoline-carboxylic acid
Keywords keywordsPROTEIN BINDING, INHIBITOR, HISTONE, EPIGENETIC READER; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.62
Radius of gyration Rg (electron density) rg_electron23.01
Forward intensity I(0) i026475300.00
Molecular weight molecular_weight40498.0 kDa
Excluded volume excluded_volume51146 ų
Envelope volume envelope_volume61003 ų
Hydration-shell volume shell_volume22772 ų
Envelope diameter envelope_diameter82.3
Shell Rg shell_rg29.44
Envelope Rg envelope_rg23.25
Shape Rg shape_rg23.02
Total Rg total_rg23.80
Total atoms total_atoms2840
Residues n_residues330
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 dmax77.3
Rg (real space) rg_real23.65
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real2.6480e+07
I(0) uncertainty (real space) i0_real_error4.1820e+05
Rg (reciprocal space) rg_reciprocal23.64
I(0) (reciprocal space) i0_reciprocal26480000.0000
Solution quality estimate total_estimate0.8145
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.8
Skewness Skewness skewness0.367
Kurtosis Kurtosis kurtosis-0.378
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11070000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.880; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.954; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd4akna_
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_idd4aknb_
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_idd4aknc_
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

CATH v4.4 (3 domains)

Domain ID domain_id4aknA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id4aknB00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id4aknC00
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)