ELECTRON MICROSCOPY


Sample

C-di-GMP bound FleQ-FleN complex from Pseudomonas aeruginosa

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details triple deposition
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 1283732
Reported Resolution (Å) 3.3
Resolution Method OTHER
Other Details Due to flexibility, preferential orientation and partial occupancy for one of the subunits, the data was downsampled and the resolution used for refinement was cut to 3.3 angstrom after Deep EMhancer sharpening.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details Crystal structures fitting Refined in Phenix, coot and Namdinator
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 50.3
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
CTF CORRECTION Gctf ?
MODEL FITTING PHENIX ?
MODEL FITTING UCSF ChimeraX ?
CLASSIFICATION cryoSPARC ?
RECONSTRUCTION cryoSPARC ?
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION Gctf through cryoSPARC interface