5xhe

Crystal structure analysis of the second bromodomain of BRD2 covalently linked to b-mercaptoethanol

Method: X-RAY DIFFRACTION Dmax: 51.5 Å Quality: REASONABLE

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 348–455 Fragment:Bromodomain (UNP RESIDUES 348-455) Non-standard monomer:Yes (specific site not provided by mmCIF) PGE TRIETHYLENE GLYCOL × 1 GOL GLYCEROL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;22% PEG 2000, 5mM b-ME, 10% Glycerol, 50mM Tris-Cl Resolution 1.40 Å R-free 0.172

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 6–113; UniProt 348–455

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 5xhe

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id5xhe
Deposition date deposition_date2017-04-20
Structure title titleCrystal structure analysis of the second bromodomain of BRD2 covalently linked to b-mercaptoethanol
Keywords keywordsBET family, BRD2, bromodomain, b-mercaptoethanol, CME, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.76
Radius of gyration Rg (electron density) rg_electron14.46
Forward intensity I(0) i03822640.00
Molecular weight molecular_weight13724.0 kDa
Excluded volume excluded_volume17121 ų
Envelope volume envelope_volume19461 ų
Hydration-shell volume shell_volume11723 ų
Envelope diameter envelope_diameter52.3
Shell Rg shell_rg19.92
Envelope Rg envelope_rg14.90
Shape Rg shape_rg14.47
Total Rg total_rg15.53
Total atoms total_atoms963
Residues n_residues112
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 dmax51.5
Rg (real space) rg_real15.74
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real3.8230e+06
I(0) uncertainty (real space) i0_real_error4.4790e+04
Rg (reciprocal space) rg_reciprocal15.74
I(0) (reciprocal space) i0_reciprocal3823000.0000
Solution quality estimate total_estimate0.6642
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.3
Skewness Skewness skewness0.321
Kurtosis Kurtosis kurtosis-0.252
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha721600.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.845; Stabil: 0.999; Sysdev: 0.368; Positv: 1.000; Valcen: 0.992; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5xhea1
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_idd5xhea2
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_id5xheA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like

8. Citations (2)

9. Files and Curves (10)