ELECTRON MICROSCOPY

Sample

Heterologous nitrogenase complex (2:1 G. diazotrophicus-FeP:A. vinelandii-MoFeP) inhibited by BeFx

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument SPT LABTECH CHAMELEON
Cryogen Name ETHANE
Sample Vitrification Details Samples were covered by Al's oil and frozen with the SPT Labtech chameleon.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 35330
Reported Resolution (Å) 2.22
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 ?
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
PARTICLE SELECTION cryoSPARC ?
IMAGE ACQUISITION EPU 2
CTF CORRECTION cryoSPARC ?
MODEL REFINEMENT PHENIX 1.21.2_5419
RECONSTRUCTION cryoSPARC ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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