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CryoEM structure of the pre-synaptic RAD51 nucleoprotein filament in the presence of ATP and Ca2+
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.551 f_angle_d 0.489 f_chiral_restr 0.039 f_plane_restr 0.006 f_bond_d 0.002
Sample Nucleoprotein filament of human RAD51 bound to single-stranded DNA 60mer in the presence of ATP and Ca2+
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 723142 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 16.6 Angular Rotation 56.7
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 66
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 59000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0 IMAGE ACQUISITION EPU 1.3 CTF CORRECTION CTFFIND 4.1 MODEL FITTING Coot 0.98.5 EL INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT RELION 3.0 CLASSIFICATION RELION 3.0 RECONSTRUCTION RELION 3.0 MODEL REFINEMENT PHENIX phenix-dev-4704
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 850217 Segments were picked using Autopicking in RELION.