6bn9

Crystal structure of DDB1-CRBN-BRD4(BD1) complex bound to dBET70 PROTAC

Method: X-RAY DIFFRACTION Dmax: 132.3 Å Quality: GOOD

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

DNA damage-binding protein 1,DNA damage-binding protein 1

Homo sapiens

UniProt Q16531

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 1–395 Chain A; UniProt 706–1140 Not recorded Protein cereblon × 1 (Q96SW2) Bromodomain-containing protein 4 × 1 (O60885) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;10% (w/v) PEG20K, 20% (v/v) PEG MME 550, 0.1M BICINE pH8.5, Silver Bullet F2 (0.2% w/v D-Fructose 1,6-bisphosphate trisodium salt hydrate, 0.2% w/v Glycerol phosphate disodium salt hydrate, 0.2% w/v L-O-Phosphoserine, 0.2% w/v O-Phospho-L-tyrosine, 0.2% w/v Phytic acid sodium salt hydrate, 0.02 M HEPES sodium pH 6.8) Resolution 4.38 Å R-free 0.301

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.

202 other PDB entries and 290 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DDB1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 29–423; UniProt 1–395 Author chain A; PDBConstruct 430–864; UniProt 706–1140

Protein cereblon

Homo sapiens

UniProt Q96SW2

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 B; UniProt 1–441 Not recorded DNA damage-binding protein 1,DNA damage-binding protein 1 × 1 (Q16531) Bromodomain-containing protein 4 × 1 (O60885) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;10% (w/v) PEG20K, 20% (v/v) PEG MME 550, 0.1M BICINE pH8.5, Silver Bullet F2 (0.2% w/v D-Fructose 1,6-bisphosphate trisodium salt hydrate, 0.2% w/v Glycerol phosphate disodium salt hydrate, 0.2% w/v L-O-Phosphoserine, 0.2% w/v O-Phospho-L-tyrosine, 0.2% w/v Phytic acid sodium salt hydrate, 0.02 M HEPES sodium pH 6.8) Resolution 4.38 Å R-free 0.301

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.

93 other PDB entries and 141 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CRBN_HUMAN
Isoform Q96SW2-2
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 23–463; UniProt 1–441

Bromodomain-containing protein 4

Homo sapiens

UniProt O60885

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 C; UniProt 42–168 Fragment:residues 42-168 Mutation:T43M DNA damage-binding protein 1,DNA damage-binding protein 1 × 1 (Q16531) Protein cereblon × 1 (Q96SW2) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;10% (w/v) PEG20K, 20% (v/v) PEG MME 550, 0.1M BICINE pH8.5, Silver Bullet F2 (0.2% w/v D-Fructose 1,6-bisphosphate trisodium salt hydrate, 0.2% w/v Glycerol phosphate disodium salt hydrate, 0.2% w/v L-O-Phosphoserine, 0.2% w/v O-Phospho-L-tyrosine, 0.2% w/v Phytic acid sodium salt hydrate, 0.02 M HEPES sodium pH 6.8) Resolution 4.38 Å R-free 0.301

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.

601 other PDB entries and 778 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD4_HUMAN
Isoform O60885-3
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–127; UniProt 42–168

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 6bn9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6bn9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6bn9
Deposition date deposition_date2017-11-16
Structure title titleCrystal structure of DDB1-CRBN-BRD4(BD1) complex bound to dBET70 PROTAC
Keywords keywordsPROTAC, degrader, E3 ligase, CRBN, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.40
Radius of gyration Rg (electron density) rg_electron38.19
Forward intensity I(0) i0322669000.00
Molecular weight molecular_weight146790.0 kDa
Excluded volume excluded_volume184140 ų
Envelope volume envelope_volume245320 ų
Hydration-shell volume shell_volume54444 ų
Envelope diameter envelope_diameter139.3
Shell Rg shell_rg43.14
Envelope Rg envelope_rg38.39
Shape Rg shape_rg38.20
Total Rg total_rg38.48
Total atoms total_atoms10314
Residues n_residues1310
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 dmax132.3
Rg (real space) rg_real38.63
Rg uncertainty (real space) rg_real_error1.08
I(0) (real space) i0_real3.2270e+08
I(0) uncertainty (real space) i0_real_error5.3780e+06
Rg (reciprocal space) rg_reciprocal38.49
I(0) (reciprocal space) i0_reciprocal322600000.0000
Solution quality estimate total_estimate0.8436
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary42.0
Skewness Skewness skewness0.547
Kurtosis Kurtosis kurtosis-0.064
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha82230000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.765; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.692

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)