3J7P

Structure of the 80S mammalian ribosome bound to eEF2

ELECTRON MICROSCOPY

Sample
The 80S-eEF2 complex purified from porcine pancreas

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	3 uL sample was incubated on the grid for 30 seconds and blotted for 9 seconds before being plunged into liquid ethane (FEI VITROBOT MARK IV).

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	36667
Reported Resolution (Å)	3.5
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (3J3A, 3J3B, 3J3D, 3J3F)
Refinement Space	RECIPROCAL
Refinement Protocol	OTHER
Refinement Target	R-factor and FSC
Overall B Value	37
Fitting Procedure
Details	METHOD--Maximum likelihood

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	27

Imaging Experiment	1
Date of Experiment	2014-04-07
Temperature (Kelvin)	70
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	2500
Maximum Defocus (nm)	3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	59000
Calibrated Magnification	104478
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
MODEL FITTING	REFMAC
RECONSTRUCTION	RELION

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	Each particle

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.