ELECTRON MICROSCOPY

Sample

Azotobacter vinelandii Reduced MoFeP (C2 symmetry) obtained using the SPT Labtech chameleon of 20 mM sodium dithionite under Al's oil

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument SPT LABTECH CHAMELEON
Cryogen Name ETHANE
Sample Vitrification Details Samples were frozen with the SPT Labtech chameleon
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 95009
Reported Resolution (Å) 2.08
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 51.8
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2500
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 ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION EPU 2
RECONSTRUCTION cryoSPARC ?
MODEL REFINEMENT PHENIX 1.21.1_5286
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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