2OM7

Structural Basis for Interaction of the Ribosome with the Switch Regions of GTP-bound Elongation Factors


ELECTRON MICROSCOPY
Sample
complex of Thermus thermophilus 70S ribosomes and EF-G-GMPPNP
Sample Components
30S ribosomal protein S12
50S ribosomal protein L1
Elongation factor G
30S ribosomal protein S2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles77038
Reported Resolution (Å)7.3
Resolution Method
Other DetailsThe geometry of linkages between some residues in chains J, M and L are distorted. They were not resolved based on the data used for solving this stru ...The geometry of linkages between some residues in chains J, M and L are distorted. They were not resolved based on the data used for solving this structure.
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (2J00, 1GIX, 2J01, 1FNM, 1YL3)
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--Rigid Body
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)19
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TECNAI F30
Minimum Defocus (nm)800
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification39000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGSitus
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
defocus groups