9mpl

BRD2-BD1 in complex with cyclic peptide 2.1C-W11A

Method: X-RAY DIFFRACTION Dmax: 65.9 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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 65–194 Not recorded 2.1C-W11A × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.2 M Lithium chloride, 0.1 M Sodium acetate pH 5.0, 20 % w/v PEG 6000 Resolution 3.11 Å R-free 0.268
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 65–194 Not recorded 2.1C-W11A × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.2 M Lithium chloride, 0.1 M Sodium acetate pH 5.0, 20 % w/v PEG 6000 Resolution 3.11 Å R-free 0.268

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 6–135; UniProt 65–194 Author chain B; PDBConstruct 6–135; UniProt 65–194

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 9mpl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9mpl
Deposition date deposition_date2024-12-30
最后修订 last_revision2026-04-08
Structure title titleBRD2-BD1 in complex with cyclic peptide 2.1C-W11A
Keywords keywordsBRD2, cyclic peptide, GENE REGULATION; GENE REGULATION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.10
Radius of gyration Rg (electron density) rg_electron20.42
Forward intensity I(0) i015632000.00
Molecular weight molecular_weight30838.0 kDa
Excluded volume excluded_volume38997 ų
Envelope volume envelope_volume47796 ų
Hydration-shell volume shell_volume19615 ų
Envelope diameter envelope_diameter65.8
Shell Rg shell_rg26.58
Envelope Rg envelope_rg20.29
Shape Rg shape_rg20.42
Total Rg total_rg21.32
Total atoms total_atoms2168
Residues n_residues256
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 dmax65.9
Rg (real space) rg_real21.01
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real1.5630e+07
I(0) uncertainty (real space) i0_real_error2.1120e+05
Rg (reciprocal space) rg_reciprocal21.03
I(0) (reciprocal space) i0_reciprocal15630000.0000
Solution quality estimate total_estimate0.9090
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.1
Skewness Skewness skewness0.142
Kurtosis Kurtosis kurtosis-0.570
Angular range angular_range— – 0.3750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3364000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.943; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)