ELECTRON MICROSCOPY

Sample

Human poliovirus 3

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details Blot for 4 seconds before plunging.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 2060
Reported Resolution (Å) 4.1
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 RIGID BODY FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details phenix.real_space_refine was used to refine the atomic model in the cryo-em map.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 1.2
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2800
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN 910 MULTI-SPECIMEN SINGLE TILT CRYO TRANSFER HOLDER
Nominal Magnification ?
Calibrated Magnification 37037
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Preliminary grid screening was performed.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION ETHAN 1.2
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION RELION 1.3
MODEL FITTING UCSF Chimera 1.12
INITIAL EULER ASSIGNMENT RELION 1.3
FINAL EULER ASSIGNMENT RELION 1.3
CLASSIFICATION RELION 1.3
RECONSTRUCTION RELION 1.3
MODEL REFINEMENT PHENIX 1.12rc0
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION CTF parameters were estimated using CTFFIND3 as part of RELION 1.3.
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