6mo8

N-terminal bromodomain of human BRD2 in complex with 4,4'-(quinoline-5,7-diyl)bis(3,5-dimethylisoxazole) inhibitor

Method: X-RAY DIFFRACTION Dmax: 78.6 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 24–147 Not recorded JWD 5,7-bis(3,5-dimethyl-1,2-oxazol-4-yl)quinoline × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;29% PEG 3350 225 mM ammonium sulfate 100mM HEPES pH 7.5 Resolution 1.80 Å R-free 0.223
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 24–147 Not recorded JWD 5,7-bis(3,5-dimethyl-1,2-oxazol-4-yl)quinoline × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;29% PEG 3350 225 mM ammonium sulfate 100mM HEPES pH 7.5 Resolution 1.80 Å R-free 0.223
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 24–147 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;29% PEG 3350 225 mM ammonium sulfate 100mM HEPES pH 7.5 Resolution 1.80 Å R-free 0.223

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 262 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD2_HUMAN
Isoform P25440-3
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–126; UniProt 24–147 Author chain B; PDBConstruct 3–126; UniProt 24–147 Author chain C; PDBConstruct 3–126; UniProt 24–147

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 6mo8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6mo8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6mo8
Deposition date deposition_date2018-10-04
Structure title titleN-terminal bromodomain of human BRD2 in complex with 4,4'-(quinoline-5,7-diyl)bis(3,5-dimethylisoxazole) inhibitor
Keywords keywordsinhibitor, epigenetic reader, bromodomain, transcription-transcription inhibitor complex; transcription/transcription inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.79
Radius of gyration Rg (electron density) rg_electron23.12
Forward intensity I(0) i025456900.00
Molecular weight molecular_weight40052.0 kDa
Excluded volume excluded_volume50729 ų
Envelope volume envelope_volume60489 ų
Hydration-shell volume shell_volume22555 ų
Envelope diameter envelope_diameter83.0
Shell Rg shell_rg29.51
Envelope Rg envelope_rg23.38
Shape Rg shape_rg23.13
Total Rg total_rg23.93
Total atoms total_atoms2815
Residues n_residues327
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 dmax78.6
Rg (real space) rg_real23.84
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real2.5460e+07
I(0) uncertainty (real space) i0_real_error3.2760e+05
Rg (reciprocal space) rg_reciprocal23.83
I(0) (reciprocal space) i0_reciprocal25460000.0000
Solution quality estimate total_estimate0.6748
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.388
Kurtosis Kurtosis kurtosis-0.393
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha11710000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.873; Stabil: 1.000; Sysdev: 0.073; Positv: 1.000; Valcen: 0.932; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6mo8a_
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_idd6mo8b_
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_idd6mo8c_
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_id6mo8A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6mo8B00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6mo8C00
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)