3JBS

eL6 protein from yeast 60S ribosomal subunit

ELECTRON MICROSCOPY

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Sample
Saccharomyces cerevisiae large 60S ribosomal subunit

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	HOMEMADE PLUNGER
Cryogen Name	ETHANE
Sample Vitrification Details	A 3 uL sample was applied onto a freshly plasma-treated (6 seconds, Gatan Solarus plasma cleaner) holey carbon C-flat grid (Protochips, Inc.), allowing the sample to adsorb for 30 seconds. The sample was then plunge-frozen in liquid ethane using a manual cryo-plunger in ambient atmosphere at 4 degrees C.

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	75653
Reported Resolution (Å)	2.9
Resolution Method	FSC 0.143 CUT-OFF
Other Details	B-factor of -50 applied to final map (Single particle--Applied symmetry: C1).
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (4UJQ)
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target	FSC
Overall B Value	50
Fitting Procedure
Details	REFINEMENT PROTOCOL--flexible

Data Acquisition
Detector Type	GATAN K2 (4k x 4k)
Electron Dose (electrons/Å**2)	25

Imaging Experiment	1
Date of Experiment	2014-09-02
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	500
Maximum Defocus (nm)	2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	22500
Calibrated Magnification	38167
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details	super-resolution imaging

EM Software
Task	Software Package	Version
MODEL FITTING	Rosetta
MODEL FITTING	UCSF Chimera
RECONSTRUCTION	FREALIGN

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