ELECTRON MICROSCOPY

Sample

DMFase, an amidohydrolase

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details wait time - 10 seconds and 3.5 seconds blot
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 28964
Reported Resolution (Å) 2.5
Resolution Method FSC 0.143 CUT-OFF
Other Details The final reconstruction was from a single 3D class after B-factor weighting and aberration correction in Relion 3.1
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value 73.98
Fitting Procedure ?
Details Servalcat was used along with Refmac to calculate fofc maps and extensively used for modelling.
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 28.3
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 850
Maximum Defocus (nm) 3200
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 75000
Calibrated Magnification 130841
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Gautomatch ?
IMAGE ACQUISITION EPU 1.10
CTF CORRECTION Gctf 1.06
MODEL FITTING Coot 0.9.5
MODEL FITTING UCSF Chimera 1.15
MODEL REFINEMENT REFMAC 5.8.0267
INITIAL EULER ASSIGNMENT RELION 3.1
FINAL EULER ASSIGNMENT RELION 3.1
CLASSIFICATION RELION 3.1
RECONSTRUCTION RELION 3.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?