ELECTRON MICROSCOPY

Sample

TRPV1 ion channel in complex with capsazepine

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details Blot for 6 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 80725
Reported Resolution (Å) 3.43
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 correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 41
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 700
Maximum Defocus (nm) 2200
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model OTHER
Nominal Magnification 31000
Calibrated Magnification 41132
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Grid screening was performed manually.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION SPIDER ?
IMAGE ACQUISITION UCSFImage4 ?
CTF CORRECTION CTFFIND4 4
MODEL FITTING UCSF Chimera 1.10
MODEL REFINEMENT Coot ?
MODEL REFINEMENT PHENIX ?
INITIAL EULER ASSIGNMENT RELION 1.3
FINAL EULER ASSIGNMENT RELION 1.3
CLASSIFICATION RELION 1.3
RECONSTRUCTION RELION 1.3
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION CTF correction was performed before classification and refinement.