6Z6W

ELECTRON MICROSCOPY

Sample

Human poliovirus 3

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Double blotting with 4 ul of sample, followed by 4 second blot, before plunging.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 9630
Reported Resolution (Å) 3.0
Resolution Method FSC 0.143 CUT-OFF
Other Details Final reconstruction was sharpened with Post-processing in RELION using an inverse B-factor of -82.6 Angstroms.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details Initial model was rigid body fitted using UCSF chimera, and the refined in real space using Phenix_real.space.refine.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 40
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN LIQUID NITROGEN
Nominal Magnification 160000
Calibrated Magnification 37037
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION crYOLO 1.5.6
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION CTFFIND 4.0
MODEL FITTING UCSF Chimera 1.14
MODEL REFINEMENT PHENIX dev-3699
INITIAL EULER ASSIGNMENT RELION 3.1
FINAL EULER ASSIGNMENT RELION 3.1
CLASSIFICATION RELION 3.1
RECONSTRUCTION RELION 3.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?