8CZC

ELECTRON MICROSCOPY

Sample

Pik127

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blotted for 3 seconds with a force of "1" before plunging.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 184737
Reported Resolution (Å) 2.86
Resolution Method FSC 0.143 CUT-OFF
Other Details Maps were density modified using Phenix to a calculated resolution of 2.77 Angstroms.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Phenix
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 (6k x 4k)
Electron Dose (electrons/Å2) 70
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 1500
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 61728
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Collected 4284 movies at 0 degrees tilt and 2912 movies at -30 degrees tilt
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION cryoSPARC 3.2.0
MODEL FITTING UCSF ChimeraX 1.1.1
MODEL FITTING PHENIX 1.19.2-4158
MODEL REFINEMENT Coot 0.8.9.2
MODEL REFINEMENT PHENIX 1.19.2-4158
INITIAL EULER ASSIGNMENT cryoSPARC 3.2.0
FINAL EULER ASSIGNMENT cryoSPARC 3.2.0
CLASSIFICATION cryoSPARC 3.2.0
RECONSTRUCTION cryoSPARC 3.2.0
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION CTF correction performed by cryosparc during reconstruction