6BN7

Crystal structure of DDB1-CRBN-BRD4(BD1) complex bound to dBET23 PROTAC.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3MXF3mxf, 5fqd
experimental modelPDB 5FQD3mxf, 5fqd

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52939% (w/v) PEG20K, 18% (v/v) PEG MME 550, 0.09M BICINE pH8.5, 9% Silver bullet B5 (0.33% w/v 2,7-Naphthalenedisulfonic acid disodium salt, 0.33% w/v Azelaic acid, 0.33% w/v trans-Cinnamic acid, 0.02 M HEPES sodium pH 6.8)
Crystal Properties
Matthews coefficientSolvent content
3.7166.89

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 115.571α = 90
b = 115.571β = 90
c = 596.315γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2016-10-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.97910APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.4949.8799.50.1280.140.0550.99911.411.431460
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.493.6897.33.5613.9241.1730.3280.710.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3mxf, 5fqd3.50149.8681.3330441145497.870.21430.21230.2555Random selection
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.956
f_angle_d0.481
f_chiral_restr0.042
f_bond_d0.007
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10268
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms63

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing