ELECTRON MICROSCOPY

Sample

Giant worm hemoglobin

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 75000
Reported Resolution (Å) 3.8
Resolution Method FSC 1/2 BIT CUT-OFF
Other Details FSC as per the original definition (Harauz & van Heel 1986).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å2) 6
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 1200
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 0.02
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification ?
Calibrated Magnification 59000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION IMAGIC-4D ?
IMAGE ACQUISITION EPU ?
CTF CORRECTION IMAGIC-4D ?
MODEL FITTING UCSF Chimera 1.11
MODEL REFINEMENT REFMAC 5.8.0155
MODEL REFINEMENT PHENIX 1.10.1
MODEL REFINEMENT Coot 0.8.6
INITIAL EULER ASSIGNMENT IMAGIC-4D ?
FINAL EULER ASSIGNMENT IMAGIC-4D ?
CLASSIFICATION IMAGIC-4D ?
RECONSTRUCTION IMAGIC-4D ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY Unsupervised MSA classification of amplitude spectra throughout the full data set ("Full data set CTF correction")
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