9d5o

Crystal structure of the second bromodomain of human BRD2 in complex with 3IND

Method: X-RAY DIFFRACTION Dmax: 85.2 Å Quality: EXCELLENT

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 Not recorded A1A12 methyl [(4S,6M,10aM)-6-(1H-indol-3-yl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291 K;0.2 M Ammonium tartrate dibasic pH 7.0, and 18% (w/v) PEG3350 Resolution 3.20 Å R-free 0.260
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 348–455 Not recorded A1A12 methyl [(4S,6M,10aM)-6-(1H-indol-3-yl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate × 1 PG0 2-(2-METHOXYETHOXY)ETHANOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291 K;0.2 M Ammonium tartrate dibasic pH 7.0, and 18% (w/v) PEG3350 Resolution 3.20 Å R-free 0.260
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 348–455 Not recorded A1A12 methyl [(4S,6M,10aM)-6-(1H-indol-3-yl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291 K;0.2 M Ammonium tartrate dibasic pH 7.0, and 18% (w/v) PEG3350 Resolution 3.20 Å R-free 0.260
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 348–455 Not recorded A1A12 methyl [(4S,6M,10aM)-6-(1H-indol-3-yl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291 K;0.2 M Ammonium tartrate dibasic pH 7.0, and 18% (w/v) PEG3350 Resolution 3.20 Å R-free 0.260

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 261 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD2_HUMAN
Isoform P25440-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–115; UniProt 348–455 Author chain B; PDBConstruct 8–115; UniProt 348–455 Author chain C; PDBConstruct 8–115; UniProt 348–455 Author chain D; PDBConstruct 8–115; 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 9d5o

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9d5o
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9d5o
Deposition date deposition_date2024-08-14
最后修订 last_revision2025-08-20
Structure title titleCrystal structure of the second bromodomain of human BRD2 in complex with 3IND
Keywords keywordsBRD2, BROMODOMAIN, BROMODOMAIN INHIBITOR, TRANSCRIPTION FACTOR, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.79
Radius of gyration Rg (electron density) rg_electron26.17
Forward intensity I(0) i077485300.00
Molecular weight molecular_weight46744.0 kDa
Excluded volume excluded_volume45564 ų
Envelope volume envelope_volume78432 ų
Hydration-shell volume shell_volume26188 ų
Envelope diameter envelope_diameter90.7
Shell Rg shell_rg32.06
Envelope Rg envelope_rg25.98
Shape Rg shape_rg26.16
Total Rg total_rg26.68
Total atoms total_atoms3538
Residues n_residues432
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 dmax85.2
Rg (real space) rg_real26.73
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real7.7490e+07
I(0) uncertainty (real space) i0_real_error9.2150e+05
Rg (reciprocal space) rg_reciprocal26.75
I(0) (reciprocal space) i0_reciprocal77490000.0000
Solution quality estimate total_estimate0.9079
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary83.7
Skewness Skewness skewness0.175
Kurtosis Kurtosis kurtosis-0.613
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8802000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.944; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.974; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)