4a9o

N-TERMINAL BROMODOMAIN OF HUMAN BRD2 WITH 5 ethyl-3-methyl-4-phenyl-1, 2-oxazole

Method: X-RAY DIFFRACTION Dmax: 79.2 Å Quality: REASONABLE

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

BROMODOMAIN CONTAINING 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:N-TERMINAL BROMODOMAIN (BD1), RESIDUES 67-200 EDO 1,2-ETHANEDIOL × 2 A9O 5-ETHYL-3-METHYL-4-PHENYL-1,2-OXAZOLE × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;0.1 M HEPES PH 7.0, 22-26% PEG 3350, 0.2 M (NH4)2SO4 Resolution 1.78 Å R-free 0.198
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 67–200 Fragment:N-TERMINAL BROMODOMAIN (BD1), RESIDUES 67-200 A9O 5-ETHYL-3-METHYL-4-PHENYL-1,2-OXAZOLE × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;0.1 M HEPES PH 7.0, 22-26% PEG 3350, 0.2 M (NH4)2SO4 Resolution 1.78 Å R-free 0.198

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 21–154; UniProt 67–200 Author chain B; PDBConstruct 21–154; UniProt 67–200 Author chain C; 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 4a9o

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4a9o
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4a9o
Deposition date deposition_date2011-11-26
Structure title titleN-TERMINAL BROMODOMAIN OF HUMAN BRD2 WITH 5 ethyl-3-methyl-4-phenyl-1, 2-oxazole
Keywords keywordsSIGNALING PROTEIN-INHIBITOR COMPLEX; SIGNALING PROTEIN/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.63
Radius of gyration Rg (electron density) rg_electron22.96
Forward intensity I(0) i026068200.00
Molecular weight molecular_weight40327.0 kDa
Excluded volume excluded_volume50983 ų
Envelope volume envelope_volume60938 ų
Hydration-shell volume shell_volume22736 ų
Envelope diameter envelope_diameter82.4
Shell Rg shell_rg29.52
Envelope Rg envelope_rg23.27
Shape Rg shape_rg22.96
Total Rg total_rg23.78
Total atoms total_atoms2828
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 dmax79.2
Rg (real space) rg_real23.66
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real2.6070e+07
I(0) uncertainty (real space) i0_real_error3.9470e+05
Rg (reciprocal space) rg_reciprocal23.65
I(0) (reciprocal space) i0_reciprocal26070000.0000
Solution quality estimate total_estimate0.6404
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.2
Skewness Skewness skewness0.375
Kurtosis Kurtosis kurtosis-0.363
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9916000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.844; Stabil: 0.999; Sysdev: 0.286; 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) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd4a9oa_
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_idd4a9ob_
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_idd4a9oc_
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_id4a9oA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id4a9oB00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id4a9oC00
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)