4alg

N-Terminal Bromodomain of Human BRD2 With IBET-151

Method: X-RAY DIFFRACTION Dmax: 55.5 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 Fragment:N-TERMINAL BROMODOMAIN, RESIDUES 67-200 ACT ACETATE ION × 2 GOL GLYCEROL × 2 1GH 7-(3,5-DIMETHYL-1,2-OXAZOL-4-YL)-8-METHOXY-1-[(1R)-1-(PYRIDIN-2-YL)ETHYL]-1H,2H,3H-IMIDAZO[4,5-C]QUINOLIN-2-ONE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.7;293 K;150MM NH4SO4, 25%MME, 100MM NAAC PH 4.7, 20C Resolution 1.60 Å R-free 0.202

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 21–154; 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 4alg

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4alg
Deposition date deposition_date2012-03-03
Structure title titleN-Terminal Bromodomain of Human BRD2 With IBET-151
Keywords keywordsSIGNALING PROTEIN, INHIBITOR, HISTONE, EPIGENETIC READER; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.84
Radius of gyration Rg (electron density) rg_electron14.96
Forward intensity I(0) i03923670.00
Molecular weight molecular_weight14519.0 kDa
Excluded volume excluded_volume18343 ų
Envelope volume envelope_volume20621 ų
Hydration-shell volume shell_volume12054 ų
Envelope diameter envelope_diameter56.0
Shell Rg shell_rg20.35
Envelope Rg envelope_rg15.53
Shape Rg shape_rg14.98
Total Rg total_rg16.03
Total atoms total_atoms1021
Residues n_residues118
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 dmax55.5
Rg (real space) rg_real15.85
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real3.9240e+06
I(0) uncertainty (real space) i0_real_error5.6230e+04
Rg (reciprocal space) rg_reciprocal15.85
I(0) (reciprocal space) i0_reciprocal3924000.0000
Solution quality estimate total_estimate0.7616
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary17.6
Skewness Skewness skewness0.419
Kurtosis Kurtosis kurtosis-0.115
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1128000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.657; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.934; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4alga_
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 (1 domains)

Domain ID domain_id4algA00
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)