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Ternary PROTAC-mediated complex of BRD4-BD1/CRBN/DDB1 and JQ1-AcQ bifunctional degrader
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.399 f_angle_d 0.558 f_chiral_restr 0.043 f_plane_restr 0.004 f_bond_d 0.003
Sample PROTAC-mediated complex of DDB1 (BPB deletion), CRBN and BRD4 BD1 domain Sample Components Ligase sub-complex consisting of DDB1 (BPB deletion) and CRBN degradation target BRD4 (BD1 domain)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 158212 Reported Resolution (Å) 2.55 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION EPU MODEL FITTING UCSF ChimeraX MODEL REFINEMENT PHENIX 1.21.1_5286 RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION