9l6m

Crystal Structure of BRD2 BD1 domain in complex with small molecule inhibitor Isoxazole azepine compound.

Method: X-RAY DIFFRACTION Dmax: 84.5 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 67–200 Chain B; UniProt 67–200 Fragment:BD1 domain 1XB 2-[(6S)-4-(4-chlorophenyl)-2,3,9-trimethyl-6H-[1,2]oxazolo[5,4-c]thieno[2,3-e]azepin-6-yl]acetamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298.15 K;0.1M HEPES (7.5), 26% PEG 3350, 0.2M Amm sulphate Resolution 1.78 Å R-free 0.248
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 67–200 Fragment:BD1 domain 1XB 2-[(6S)-4-(4-chlorophenyl)-2,3,9-trimethyl-6H-[1,2]oxazolo[5,4-c]thieno[2,3-e]azepin-6-yl]acetamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298.15 K;0.1M HEPES (7.5), 26% PEG 3350, 0.2M Amm sulphate Resolution 1.78 Å R-free 0.248

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 22–155; UniProt 67–200 Author chain B; PDBConstruct 22–155; UniProt 67–200 Author chain C; PDBConstruct 22–155; 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 9l6m

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9l6m
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9l6m
Deposition date deposition_date2024-12-24
最后修订 last_revision2025-12-24
Structure title titleCrystal Structure of BRD2 BD1 domain in complex with small molecule inhibitor Isoxazole azepine compound.
Keywords keywordsBromodomain, Inhibitor, Small molecule, Drug discovery, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.76
Radius of gyration Rg (electron density) rg_electron23.16
Forward intensity I(0) i024327200.00
Molecular weight molecular_weight39210.0 kDa
Excluded volume excluded_volume49657 ų
Envelope volume envelope_volume59228 ų
Hydration-shell volume shell_volume22139 ų
Envelope diameter envelope_diameter82.8
Shell Rg shell_rg29.34
Envelope Rg envelope_rg23.34
Shape Rg shape_rg23.17
Total Rg total_rg23.92
Total atoms total_atoms2805
Residues n_residues322
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 dmax84.5
Rg (real space) rg_real24.95
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real2.4440e+07
I(0) uncertainty (real space) i0_real_error3.0880e+05
Rg (reciprocal space) rg_reciprocal23.80
I(0) (reciprocal space) i0_reciprocal24330000.0000
Solution quality estimate total_estimate0.6450
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary25.1
Skewness Skewness skewness0.522
Kurtosis Kurtosis kurtosis-0.173
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha4.4950
Highest regularization parameter α highest_alpha11660000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.809; Stabil: 0.872; Sysdev: 0.000; Positv: 1.000; Valcen: 0.806; Smooth: 0.616

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)