4V47

Real space refined coordinates of the 30S and 50S subunits fitted into the low resolution cryo-EM map of the EF-G.GTP state of E. coli 70S ribosome


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IBL 
experimental modelPDB 1FJG 
experimental modelPDB 1FFK 
experimental modelPDB 1JJ2 
experimental modelPDB 1LNR 
experimental modelPDB 1GIY 
Sample
E. coli 70S ribosome -EF-G.GTP complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen Name
Sample Vitrification DetailsRapid-freezing in liquid ethane
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles
Reported Resolution (Å)12.3
Resolution Method
Other DetailsSPIDER package
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1IBL, 1FJG, 1FFK, 1JJ2, 1LNR, 1GIY)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Targetcross-correlation coefficient, real space R factor
Overall B Value
Fitting Procedure
DetailsMETHOD--auto REFINEMENT PROTOCOL--Multi-rigid body, real-space refinement
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2001-01-15
Temperature (Kelvin)93
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)2000
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification49696
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGRSRef
MODEL FITTINGRSRef
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
CTF correction of 3D-maps