3IZ4

Modified E. coli tmRNA in the resume state with the tRNA-like domain in the ribosomal P site interacting with the SmpB

ELECTRON MICROSCOPY

Sample
Modified transfer-messenger RNA bound to the ribosomal P site

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK I
Cryogen Name	ETHANE
Sample Vitrification Details	Vitrification done with vitrobot plunging into liquid ethane.

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	20873
Reported Resolution (Å)	13.6
Resolution Method
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details	METHOD--molecular dynamic flexible fitting REFINEMENT PROTOCOL--molecular dynamic flexible fitting

Data Acquisition
Detector Type	TVIPS TEMCAM-F415 (4k x 4k)
Electron Dose (electrons/Å**2)	24

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI POLARA 300
Minimum Defocus (nm)	2000
Maximum Defocus (nm)	4500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	OTHER
Nominal Magnification	59000
Calibrated Magnification	100000
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
MODEL FITTING	NAMD
MODEL FITTING	VMD
RECONSTRUCTION	SPIDER

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.