3DWU

Transition-state model conformation of the switch I region fitted into the cryo-EM map of the eEF2.80S.AlF4.GDP complex


ELECTRON MICROSCOPY
Sample
eEF2.80S.AlF4.GDP complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameNITROGEN
Sample Vitrification DetailsCryogen ETHANE (93K), two-face blotting for 1 second
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles28242
Reported Resolution (Å)12.6
Resolution MethodFSC
Other DetailsSingle particle reconstruction, resolution estimated: FSC cut-off at 0.15
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (3DNY)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Targetcorrelation coefficient
Overall B Value
Fitting Procedure
DetailsMETHOD--manual REFINEMENT PROTOCOL--Fitted as rigid body. Current model was aligned to the helix A of the fitted eEF2 coordinates (PDB entry 3DNY) wh ...METHOD--manual REFINEMENT PROTOCOL--Fitted as rigid body. Current model was aligned to the helix A of the fitted eEF2 coordinates (PDB entry 3DNY) which is located next to the switch I sequence. The coordinates for this entry are based on manual fitting of the coordinates into cryo-EM density map. Therefore, authors did not deposit structure factors.
Data Acquisition
Detector Type
Electron Dose (electrons/Å**2)10
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)1500
Maximum Defocus (nm)4500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification49650
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGO
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
segregation in defocus groups and correction in volumes