8ugu

Crystal structure of the second bromodomain of human BRD2 in complex with 4IND

Method: X-RAY DIFFRACTION Dmax: 86.2 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 PG0 2-(2-METHOXYETHOXY)ETHANOL × 1 59E methyl [(4S)-6-(1H-indol-4-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;291 K;0.2M sodium fluoride, and 20% (w/v) PEG3350 Resolution 2.34 Å R-free 0.195
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 348–455 Not recorded 59E methyl [(4S)-6-(1H-indol-4-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;291 K;0.2M sodium fluoride, and 20% (w/v) PEG3350 Resolution 2.34 Å R-free 0.195
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 348–455 Not recorded PG0 2-(2-METHOXYETHOXY)ETHANOL × 2 59E methyl [(4S)-6-(1H-indol-4-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;291 K;0.2M sodium fluoride, and 20% (w/v) PEG3350 Resolution 2.34 Å R-free 0.195
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 348–455 Not recorded PG0 2-(2-METHOXYETHOXY)ETHANOL × 1 59E methyl [(4S)-6-(1H-indol-4-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;291 K;0.2M sodium fluoride, and 20% (w/v) PEG3350 Resolution 2.34 Å R-free 0.195

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 8ugu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8ugu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8ugu
Deposition date deposition_date2023-10-06
Structure title titleCrystal structure of the second bromodomain of human BRD2 in complex with 4IND
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_guinier27.13
Radius of gyration Rg (electron density) rg_electron26.31
Forward intensity I(0) i045733300.00
Molecular weight molecular_weight52821.0 kDa
Excluded volume excluded_volume66227 ų
Envelope volume envelope_volume82983 ų
Hydration-shell volume shell_volume27292 ų
Envelope diameter envelope_diameter91.3
Shell Rg shell_rg32.47
Envelope Rg envelope_rg26.15
Shape Rg shape_rg26.30
Total Rg total_rg27.06
Total atoms total_atoms3724
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 dmax86.2
Rg (real space) rg_real27.06
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real4.5730e+07
I(0) uncertainty (real space) i0_real_error6.0650e+05
Rg (reciprocal space) rg_reciprocal27.08
I(0) (reciprocal space) i0_reciprocal45730000.0000
Solution quality estimate total_estimate0.9092
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.2
Skewness Skewness skewness0.180
Kurtosis Kurtosis kurtosis-0.579
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8519000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.945; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)