7zwz

Crystal structure of human BCL6 BTB domain in complex with compound 22

Method: X-RAY DIFFRACTION Dmax: 62.8 Å Quality: GOOD

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

B-cell lymphoma 6 protein

Homo sapiens

UniProt P41182

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 5–129 Not recorded ALA-TRP-VAL-ILE-PRO-ALA × 2 K6I ~{N}-(2-fluorophenyl)-2-[3-(3-methylbutyl)-4-oxidanylidene-pteridin-2-yl]sulfanyl-ethanamide × 2 EDO 1,2-ETHANEDIOL × 8 DMS DIMETHYL SULFOXIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;291 K;2 microliter of the BCL6-BTB/WVIP complex at 4 mg/mL plus 1 microliter of a crystallisation solution consisting of 1 M K2HPO4, 0.7 M NaH2PO4, 75 mM sodium acetate buffer pH 4.5 and 2 % DMSO, against 350 microliter of crystallisation solution. Resolution 1.40 Å R-free 0.175

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.

245 other PDB entries and 265 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BCL6_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–128; UniProt 5–129

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 7zwz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7zwz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7zwz
Deposition date deposition_date2022-05-19
Structure title titleCrystal structure of human BCL6 BTB domain in complex with compound 22
Keywords keywordsInhibitor, Cancer, Transcription; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.57
Radius of gyration Rg (electron density) rg_electron16.59
Forward intensity I(0) i04545440.00
Molecular weight molecular_weight15349.0 kDa
Excluded volume excluded_volume19321 ų
Envelope volume envelope_volume24188 ų
Hydration-shell volume shell_volume12965 ų
Envelope diameter envelope_diameter61.9
Shell Rg shell_rg21.84
Envelope Rg envelope_rg17.35
Shape Rg shape_rg16.53
Total Rg total_rg17.81
Total atoms total_atoms1065
Residues n_residues130
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 dmax62.8
Rg (real space) rg_real17.57
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real4.5450e+06
I(0) uncertainty (real space) i0_real_error5.5110e+04
Rg (reciprocal space) rg_reciprocal17.57
I(0) (reciprocal space) i0_reciprocal4545000.0000
Solution quality estimate total_estimate0.8552
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.1
Skewness Skewness skewness0.335
Kurtosis Kurtosis kurtosis-0.233
Angular range angular_range— – 0.4550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha503700.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.741; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.907; Smooth: 0.983

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)