4V73

E. coli 70S-fMetVal-tRNAVal-tRNAfMet complex in hybrid pre-translocation state (pre5a)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3I1O 
experimental modelPDB 2K4C 
experimental modelPDB 2HGP 
experimental modelPDB 2WRI 
Sample
E. coli 70S-fMetVal-tRNAVal-tRNAfMet complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles4705
Reported Resolution (Å)15
Resolution MethodFSC 0.5 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (3I1O, 2K4C, 2HGP, 2WRI)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsMETHOD--Cross-correlation gradient based REFINEMENT PROTOCOL--flexible fitting, dynamic elastic network
Data Acquisition
Detector TypeGENERIC TVIPS (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2008-05-11
Temperature (Kelvin)
Microscope ModelFEI/PHILIPS CM200FEG
Minimum Defocus (nm)500
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification161000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)160
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGDireX
RECONSTRUCTIONCustom
RECONSTRUCTIONIMAGIC
RECONSTRUCTIONSPIDER