ELECTRON MICROSCOPY

Sample

Polycystin-2 channel tetramer

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 37297
Reported Resolution (Å) 3.39
Resolution Method FSC 0.143 CUT-OFF
Other Details Final autorefinement was carried out in RELION without masking giving an unmasked (FSC 0.143) resolution of 3.82. Masking to remove the detergent micelle gave a final resolution of 3.39A
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value 109
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 42
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3100
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 eBIC Krios3
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Gautomatch v0.53
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.1.10
MODEL FITTING Coot ?
INITIAL EULER ASSIGNMENT RELION 3
FINAL EULER ASSIGNMENT RELION 3
CLASSIFICATION RELION 3
RECONSTRUCTION RELION 3
MODEL REFINEMENT PHENIX 1.13
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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