8P2Y

ELECTRON MICROSCOPY

Sample

SIT1:ACE2 complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details grid blotted for 3sec
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 96564
Reported Resolution (Å) 3.46
Resolution Method FSC 0.143 CUT-OFF
Other Details cryoSPARC Non-uniform Refinement (C2 symmetry)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value 124
Fitting Procedure ?
Details Initial model fitting was peformed in Chimera and model building in COOT
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 50.09
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2200
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 ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 3.3.1
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION cryoSPARC 3.3.1
MODEL FITTING Coot 0.9.6
INITIAL EULER ASSIGNMENT cryoSPARC 3.3.1
FINAL EULER ASSIGNMENT cryoSPARC 3.3.1
RECONSTRUCTION cryoSPARC 3.3.1
MODEL REFINEMENT PHENIX 1.20_4459
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?