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Cryo-EM structure of the human holo-TFIIH-XPC-XPA complex bound to bulky lesion-mimic DNA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.83 f_angle_d 0.56 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.003
Sample Human holo-TFIIH, XPC complex, and XPA with biotinylated DNA.
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details Leica EM GP2
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 43458 Reported Resolution (Å) 3.6 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 GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 2500 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 4.6.2 PARTICLE SELECTION Topaz IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.6.2 MODEL REFINEMENT PHENIX 1.21.1_5286 INITIAL EULER ASSIGNMENT cryoSPARC 4.6.2 FINAL EULER ASSIGNMENT RELION 5.0.0 CLASSIFICATION RELION 5.0.0 RECONSTRUCTION RELION 5.0.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2486323 Particles selected after 2D classification