ELECTRON MICROSCOPY

Sample

SUS SCROFA 55S MITOCHONDRIAL RIBOSOME

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details MIXTURE OF LIQUID ETHANE AND PROPANE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 60872
Reported Resolution (Å) 3.8
Resolution Method ?
Other Details FOR VISUALIZATION PURPOSES THE FINAL MAP WAS FILTERED AND AMPLITUDE CORRECTED IN RELION. THE COMBINED COORDINATES WERE REFINED IN RECIPROCAL SPACE USING PHENIX.REFINE AGAINST THE MLHL TARGET. FOR THIS, THE CRYO-EM MAPS (EMD-2914) WERE CONVERTED TO RECIPROCAL SPACE STRUCTURE FACTORS.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--HIGH RESOLUTION CRYO-EM
Data Acquisition
Detector Type FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2014-05-30
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 59000
Calibrated Magnification 100000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details IMAGES WERE ACQUIRED IN 2 SESSIONS ON A FEI TITAN KRIOS IN MAY 2014.
Imaging Experiment
Task Software Package Version
CTF CORRECTION CTFFIND 3
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION EMAN 1.9
RECONSTRUCTION RELION 1.2
RECONSTRUCTION RELION 1.3
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? PER DETECTOR FRAME
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