ELECTRON MICROSCOPY


Sample

frog pannexin 1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Grid was blotted for 4 seconds with a force of 7 before plunging into liquid ethane.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 31614
Reported Resolution (Å) 3.0
Resolution Method FSC 0.143 CUT-OFF
Other Details Reconstructed in RELION using 3D classification and autorefinement
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 8000
Maximum Defocus (nm) 20000
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 81000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.0
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 4.0
CTF CORRECTION RELION 4.0
MODEL FITTING Coot 0.8.9.1
INITIAL EULER ASSIGNMENT RELION 4.0
FINAL EULER ASSIGNMENT RELION 4.0
CLASSIFICATION RELION 4
RECONSTRUCTION RELION 4.0-beta
MODEL REFINEMENT PHENIX 1.21.1-5286
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?