5KPX

Structure of RelA bound to ribosome in presence of A/R tRNA (Structure IV)


ELECTRON MICROSCOPY
Sample
RelA bound to 70S ribosome in the presence of A/R tRNA (Structure IV)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentGATAN CRYOPLUNGE 3
Cryogen NameETHANE
Sample Vitrification DetailsApply 2 uL sample and blot 4 seconds before plunging into liquid ethane (GATAN CRYOPLUNGE 3).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles57430
Reported Resolution (Å)3.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification30488
Calibrated Magnification30488
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND3
CTF CORRECTIONFREALIGN9.07-9.12
MODEL FITTINGUCSF Chimera
MODEL FITTINGPyMOL
MODEL REFINEMENTCNS-RSREF
INITIAL EULER ASSIGNMENTFREALIGN9.07-9.12
FINAL EULER ASSIGNMENTFREALIGN9.07-9.12
CLASSIFICATIONFREALIGN9.07-9.12
RECONSTRUCTIONFREALIGN9.07-9.12
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION564385