ELECTRON MICROSCOPY

Sample

Complex of CcsBA with one heme present

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blot for 2 seconds at a blot force of -1 and plunge frozen
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 117488
Reported Resolution (Å) 4.14
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 FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details Model was built de novo into density map using COOT. Both Phenix and ISOLDE were used for refinement
Data Acquisition
Detector Type GATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å2) 66
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 0.01
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 105000
Calibrated Magnification 105000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Preliminary grid screening was performed manually.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 3.2
IMAGE ACQUISITION EPU 2.10.0.1941
CTF CORRECTION cryoSPARC 3.2
MODEL FITTING Coot 0.8.9.2
INITIAL EULER ASSIGNMENT cryoSPARC 3.2
FINAL EULER ASSIGNMENT cryoSPARC 3.2
CLASSIFICATION cryoSPARC 3.2
RECONSTRUCTION cryoSPARC 3.2
MODEL REFINEMENT PHENIX 1.17.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?