5WE6

70S ribosome-EF-Tu H84A complex with GTP and cognate tRNA

ELECTRON MICROSCOPY

Sample
70S ribosome-EF-Tu (H84A) complex with GTP and cognate tRNA

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	5 second blot time, no wait time

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	82184
Reported Resolution (Å)	3.4
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space	RECIPROCAL
Refinement Protocol	OTHER
Refinement Target
Overall B Value	134
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	40

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI POLARA 300
Minimum Defocus (nm)	1500
Maximum Defocus (nm)	3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.26
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	OTHER
Nominal Magnification	31000
Calibrated Magnification	39683
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	RELION	2
IMAGE ACQUISITION	Leginon
CTF CORRECTION	Gctf	0.5
CTF CORRECTION	RELION	2
MODEL FITTING	Coot	0.88
INITIAL EULER ASSIGNMENT	RELION	2
FINAL EULER ASSIGNMENT	RELION	2
CLASSIFICATION	RELION	2
RECONSTRUCTION	RELION	2
MODEL REFINEMENT	REFMAC	5.7

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		241492

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.