ELECTRON MICROSCOPY

Sample

Cryo-EM structure of the Mycobacterium smegmatis 70S ribosome in complex with hibernation factor Msmeg1130 (Balon) and MsmegEF-Tu(GDP) (Composite structure 6)

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument LEICA EM GP
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 101909
Reported Resolution (Å) 3.0
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 RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 40.12
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS 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 FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 105000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.2.1
IMAGE ACQUISITION SerialEM ?
MASKING cryoSPARC 4.2.1
CTF CORRECTION cryoSPARC 4.2.1
MODEL FITTING UCSF Chimera 1.14
MODEL REFINEMENT PHENIX 1.19.2.4158
INITIAL EULER ASSIGNMENT cryoSPARC 4.2.1
FINAL EULER ASSIGNMENT cryoSPARC 4.2.1
CLASSIFICATION cryoSPARC 4.2.1
RECONSTRUCTION cryoSPARC 4.2.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?