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Bovine Papillomavirus E1 DNA helicase-replication fork complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2GXA experimental model PDB 1KSY
Sample BPV E1 DNA helicase-replication fork complex Sample Components DNA replication fork Full-length E1 helicase
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3 ul of sample was applied Lacey ultra-thin carbon film grids.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 81831 Reported Resolution (Å) 3.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (2GXA, 1KSY) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value 102 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 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 81000 Calibrated Magnification 47170 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1 MODEL FITTING UCSF Chimera MODEL FITTING Coot MODEL FITTING iMODFIT INITIAL EULER ASSIGNMENT cryoSPARC 2.9 FINAL EULER ASSIGNMENT cryoSPARC 2.9 CLASSIFICATION cryoSPARC 2.9 RECONSTRUCTION cryoSPARC 2.9 MODEL REFINEMENT Coot MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 568120