ELECTRON MICROSCOPY

Sample

Structure of the Bacillus subtilis hibernating 100S ribosome reveals the basis for 70S dimerization

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 24546
Reported Resolution (Å) 3.8
Resolution Method FSC 0.143 CUT-OFF
Other Details 30S-70S_subcomplex primary map: 70S-30S_Masked_embf41.mrc
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å2) 2.5
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
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 ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Signature 2.0
CTF CORRECTION CTFFIND 4
MODEL FITTING UCSF Chimera 1.11.2
MODEL REFINEMENT PHENIX ?
INITIAL EULER ASSIGNMENT FREALIGN 9.11
FINAL EULER ASSIGNMENT FREALIGN 9.11
CLASSIFICATION FREALIGN 9.11
RECONSTRUCTION FREALIGN 9.11
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?