1MVR

Decoding Center & Peptidyl transferase center from the X-ray structure of the Thermus thermophilus 70S ribosome, aligned to the low resolution Cryo-EM map of E.coli 70S Ribosome


ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Concentration (mg/ml) 32.0
Sample pH 7.5
Sample Vitrification Details Rapid-freezing in liquid ethane
Sample Aggregation State PARTICLE
EM Data Acquisition
Date of Experiment 2001-11-08
Num of Micrographs-Images Used --
Temperature (Kelvin) 93.0
Microscope Model FEI TECNAI F20
Detector Type KODAK SO163 FILM
Minimum Defocus (nm) 2020.0
Maximum Defocus (nm) 4500.0
Minimum Tilt Angle (degrees) 0.0
Maximum Tilt Angle (degrees) 0.0
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Electron Dose (electrons nm**-2) 2000.0
Illumination Mode FLOOD BEAM
Nominal Magnification 50000
Calibrated Magnification 49696
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details --
3D Reconstruction
Software Package(s)
Reconstruction Method Reference Bases Alignment
EM Image Reconstruction Statistics
Actual Pixel Size 2.82
Effective Resolution 12.8
CTF Correction Method Wiener filtering of 3D-maps
EM Reconstruction Magnification Callibration TMV
Other Details SPIDER package
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL -- -- -- Manual O