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CryoEM Structure of Merkel Cell Polyomavirus Virus-like Particle
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6ZLZ
Sample Merkel cell polyomavirus
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 22310 Reported Resolution (Å) 3.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (6ZLZ, 6ZLZ, 6ZLZ, 6ZLZ, 6ZLZ, 6ZLZ) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value 105.92 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 30
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 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 75000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION DoG Picker IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 MODEL FITTING UCSF Chimera 1.11.2 MODEL REFINEMENT PHENIX 1.14 MODEL REFINEMENT Coot 0.8.9.1 INITIAL EULER ASSIGNMENT FREALIGN FINAL EULER ASSIGNMENT cisTEM CLASSIFICATION cisTEM RECONSTRUCTION cisTEM
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE CTF correction was performed within 3D reconstruction 23349