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Single subunit of Epstein-Barr virus annealase BALF2 ssDNA-annealing complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.61 f_angle_d 0.521 f_chiral_restr 0.041 f_plane_restr 0.005 f_bond_d 0.003
Sample Monomeric subunit of the BALF2 ssDNA-annealing filament
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 557352 Reported Resolution (Å) 2.2 Resolution Method FSC 0.143 CUT-OFF Other Details Local Refinement of a single subunit Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details Initial fitting was done in isolde before refinement in Phenix.
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 65
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 1500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Preliminary Grid screening was performed manually
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4 IMAGE ACQUISITION EPU 3 IMAGE ACQUISITION cryoSPARC 4 CTF CORRECTION cryoSPARC 4 MODEL FITTING ISOLDE 1.3 MODEL REFINEMENT PHENIX 1.2.1 INITIAL EULER ASSIGNMENT cryoSPARC 4 FINAL EULER ASSIGNMENT cryoSPARC 4 CLASSIFICATION cryoSPARC 4 RECONSTRUCTION cryoSPARC 4
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3311483