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T=3 MS2 Virus-like particle
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5TC1
Sample Escherichia virus MS2
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 899 Reported Resolution (Å) 3.9 Resolution Method FSC 0.143 CUT-OFF Other Details Resolution within a tight mask was 3.9 by FSC 0.143 cut-off while unmasked resolution was 5. Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (5TC1) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details Dimers were fitted independently
Data Acquisition Detector Type FEI FALCON I (4k x 4k) Electron Dose (electrons/Å**2) 80
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI F20 Minimum Defocus (nm) -300 Maximum Defocus (nm) -2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER Nominal Magnification 100000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND MODEL FITTING UCSF Chimera CLASSIFICATION RELION RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Internal in RELION