ELECTRON MICROSCOPY

Sample

Haloarcula californiae icosahedral virus 1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 3414
Reported Resolution (Å) 3.74
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target Cross-correlation coefficient
Overall B Value 89.1
Fitting Procedure ?
Details The HCIV-1 VP7 and VP4 MCPs were manually built aided by beta-barrel core templates derived from the crystal structures of Thermus bacteriophage P23-77 MCPs (PDB ID 3ZN6).
Data Acquisition
Detector Type FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å2) 36
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 600
Maximum Defocus (nm) 3900
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 ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 2.0
CTF CORRECTION CTFFIND 4
MODEL FITTING Coot 0.8.8
INITIAL EULER ASSIGNMENT RELION 2.0
FINAL EULER ASSIGNMENT RELION 2.0
CLASSIFICATION RELION 2.0
RECONSTRUCTION RELION 2.0
MODEL REFINEMENT Coot 0.8.8
MODEL REFINEMENT RosettaEM 3.8
MODEL REFINEMENT PHENIX 1.13-2988
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?