ELECTRON MICROSCOPY

Sample

Human TRPV3 in a putative sensitized state

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details Sample was manually blotted for 4 seconds prior to plunge-freezing into liquid ethane cooled by liquid nitrogen.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 44554
Reported Resolution (Å) 3.2
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 FLEXIBLE FIT
Refinement Target Correlation coefficient
Overall B Value 51
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 67
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 800
Maximum Defocus (nm) 1400
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 45000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details Alignment performed as described in Herzik, Wu, Lander, Nat Methods 2017 (PMID: 28991891)
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION Leginon 3.2
CTF CORRECTION CTFFIND 4
CTF CORRECTION RELION 2.1
MODEL FITTING Coot 0.8.2
MODEL REFINEMENT PHENIX 1.11.1-2580
INITIAL EULER ASSIGNMENT RELION 2.1
FINAL EULER ASSIGNMENT RELION 2.1
RECONSTRUCTION RELION 2.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?