7PJW

Structure of the 70S-EF-G-GDP-Pi ribosome complex with tRNAs in hybrid state 2 (H2-EF-G-GDP-Pi)


ELECTRON MICROSCOPY
Sample
E. coli ribosome complex 70S-Apr-EF-G-GDP-Pi-fMet-Phe-tRNAPhe-tRNA-fMet-mRNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsManual blotting & plunge-freezing
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles9108
Reported Resolution (Å)4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (6YSS, 4AQY, 5LZD, 5J9Z)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetRSCC
Overall B Value
Fitting Procedure
DetailsInstead of Chimera ChimeraX was used.
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)200
Maximum Defocus (nm)1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS0.01
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification59000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsAberration corrections performed using Cs image corrector (CEOS company)
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGCoot0.9.3
MODEL FITTINGUCSF Chimera1.2
MODEL FITTINGISOLDE1.1.0
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTRELION3.1
CLASSIFICATIONRELION3.1
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX16
MODEL REFINEMENTISOLDE1.1.0
MODEL REFINEMENTCoot0.9.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1326729