ELECTRON MICROSCOPY

Sample

Human FL Metabotropic glutamate receptor 5, mGlu5-5M

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blotting time of 5 seconds and blot force of 10
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 41886
Reported Resolution (Å) 3.5
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value 95.3
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 1200
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 165000
Calibrated Magnification 192572
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Images were collected with Aberration-free image shift and Fringe-free imaging with a Selectris energy filter in EFTEM mode
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Topaz ?
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.1.14
CTF CORRECTION RELION 4.0
CTF CORRECTION cryoSPARC ?
MODEL FITTING UCSF Chimera 1.15
MODEL FITTING Coot 0.9.8.7
RECONSTRUCTION cryoSPARC ?
MODEL REFINEMENT PHENIX 1.20.1-4487
MODEL REFINEMENT REFMAC 5.8.0411
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?