6ulp

BRD3-BD2 in complex with the cyclic peptide 3.2_3

Method: X-RAY DIFFRACTION Dmax: 62.3 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

Bromodomain-containing protein 3

Homo sapiens

UniProt Q15059

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 307–419 Chain B; UniProt 307–419 Fragment:second bromodomain Cyclic peptide 3.2_3 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;291 K;0.2 M Calcium chloride dihydrate, 0.1 M Tris 8.0, 20 % w/v PEG 6000 Resolution 2.80 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.

47 other PDB entries and 101 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 7–119; UniProt 307–419 Author chain B; PDBConstruct 7–119; UniProt 307–419

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 6ulp

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6ulp
Deposition date deposition_date2019-10-08
Structure title titleBRD3-BD2 in complex with the cyclic peptide 3.2_3
Keywords keywordsBET, bromodomain, macrocyclic peptide, BRD3, inhibitor, RaPID, 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_guinier22.86
Radius of gyration Rg (electron density) rg_electron22.04
Forward intensity I(0) i013457200.00
Molecular weight molecular_weight27566.0 kDa
Excluded volume excluded_volume34573 ų
Envelope volume envelope_volume42578 ų
Hydration-shell volume shell_volume17572 ų
Envelope diameter envelope_diameter81.6
Shell Rg shell_rg27.01
Envelope Rg envelope_rg22.17
Shape Rg shape_rg21.99
Total Rg total_rg22.93
Total atoms total_atoms1936
Residues n_residues229
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 dmax62.3
Rg (real space) rg_real21.72
Rg uncertainty (real space) rg_real_error0.11
I(0) (real space) i0_real1.2900e+07
I(0) uncertainty (real space) i0_real_error1.1820e+05
Rg (reciprocal space) rg_reciprocal23.00
I(0) (reciprocal space) i0_reciprocal13460000.0000
Solution quality estimate total_estimate0.6853
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary22.1
Skewness Skewness skewness0.361
Kurtosis Kurtosis kurtosis-0.501
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha2.4610
Highest regularization parameter α highest_alpha3869000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.986; Stabil: 0.990; Sysdev: 0.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)