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Tobacco Mosaic Virus (TMV)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6R7M
Sample Tobacco mosaic virus
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details Sample prepared on the cryoWriter.
3D Reconstruction Reconstruction Method HELICAL Number of Particles 880163 Reported Resolution (Å) 1.71 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C16 Axial Rise 1.41 Angular Rotation 22.04
Map-Model Fitting and Refinement Id 1 (6R7M) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details Initial rigid-body fit done on ChimeraX. Real-space refinement done in Phenix.
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 45
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.6 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.6 MODEL FITTING UCSF ChimeraX 1.11 INITIAL EULER ASSIGNMENT cryoSPARC 4.6 FINAL EULER ASSIGNMENT cryoSPARC 4.6 RECONSTRUCTION cryoSPARC 4.6 MODEL REFINEMENT PHENIX 2.0 MODEL REFINEMENT Coot 1.1.15
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION