ELECTRON MICROSCOPY

Sample

GluA4, resting state, structure of TMD/LBD

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 59714
Reported Resolution (Å) 3.8
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 ?
Overall B Value ?
Fitting Procedure ?
Details The TMD region of GluA4:G2restI and four GluA2 LBD monomers (PDB 3UA8) were rigid body fitted in Chimera. Manual model building, refinement and validation were performed using Refmac 5 Servalcat followed by model building in Coot and Real Space Refinement in Phenix.
Data Acquisition
Detector Type GATAN K3 BIOCONTINUUM (6k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
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 ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 4.1
CTF CORRECTION RELION 4.1
MODEL FITTING UCSF Chimera 1.18
MODEL REFINEMENT PHENIX 1.19.2_4158
CLASSIFICATION RELION 4.1
RECONSTRUCTION RELION 4.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?