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RAD51 nucleoprotein filament on double-stranded abasic DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8BR2
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.218 f_angle_d 0.622 f_chiral_restr 0.044 f_bond_d 0.008 f_plane_restr 0.005
Sample RAD51 nucleoprotein filament on double-stranded abasic DNA Sample Components DNA repair protein DNA
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 8853 Reported Resolution (Å) 3.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 15.8 Angular Rotation 56
Map-Model Fitting and Refinement Id 1 (8BR2) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 52.968
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification 130000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.9.8.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.21rc1-4985
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1791680