ELECTRON MICROSCOPY

Sample

Escherichia virus MS2

Specimen Preperation
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 3499
Reported Resolution (Å) 6
Resolution Method FSC 0.143 CUT-OFF
Other Details Resolution within a tight mask was 6.16 by FSC 0.143 cut-off while unmasked resolution was 7.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
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/Å2) 80
Imaging Experiment
Date of Experiment ?
Temprature (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 ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION EMAN ?
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND ?
MODEL FITTING UCSF Chimera ?
FINAL EULER ASSIGNMENT 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