5FJA

Cryo-EM structure of yeast RNA polymerase III at 4.7 A

ELECTRON MICROSCOPY

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Sample
S.CEREVISIAE APO RNA POLYMERASE III (OPEN CLAMP CONFORMATION)

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK III
Cryogen Name	ETHANE
Sample Vitrification Details	VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT - FEI VITROBOT MARK III, METHOD- 2.5 UL OF SAMPLE WAS APPLIED 15 SECONDS WAIT TIME BLOT FOR 9 SECONDS BEFORE PLUNGING,

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	52423
Reported Resolution (Å)	4.65
Resolution Method
Other Details	SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3180. (DEPOSITION ID: 13847).
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space	REAL
Refinement Protocol	OTHER
Refinement Target	REAL-SPACE CORRELATION
Overall B Value
Fitting Procedure
Details	METHOD--LOCAL CORRELATION

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	42

Imaging Experiment	1
Date of Experiment	2014-12-15
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1400
Maximum Defocus (nm)	4200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	75000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
CTF CORRECTION	CTFFIND	3
RECONSTRUCTION	RELION

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