ELECTRON MICROSCOPY

Sample

Cryo-EM structure of the beta3 homomeric GABA(A) receptor in the long-lived desensitised state (C5) sprayed with PBS

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 31000
Reported Resolution (Å) 2.5
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 OTHER
Refinement Target FSC at 0.5
Overall B Value 60
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 40
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2000
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 96000
Calibrated Magnification 96000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION ?
CTF CORRECTION CTFFIND 4.1
MODEL FITTING PHENIX ?
MODEL REFINEMENT PHENIX dev_5294
INITIAL EULER ASSIGNMENT cryoSPARC ?
FINAL EULER ASSIGNMENT cryoSPARC ?
CLASSIFICATION cryoSPARC ?
RECONSTRUCTION cryoSPARC ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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