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 5FJA | pdb_00005fja

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


ELECTRON MICROSCOPY
Sample
S.CEREVISIAE APO RNA POLYMERASE III (OPEN CLAMP CONFORMATION)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification DetailsVITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT - FEI VITROBOT MARK III, METHOD- 2.5 UL OF SAMPLE WAS APPLIED 15 SECONDS WAIT TIME BLOT F ...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 MethodSINGLE PARTICLE
Number of Particles52423
Reported Resolution (Å)4.65
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3180. (DEPOSITION ID: 13847).
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement TargetREAL-SPACE CORRELATION
Overall B Value
Fitting Procedure
DetailsMETHOD--LOCAL CORRELATION
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)42
Imaging Experiment1
Date of Experiment2014-12-15
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1400
Maximum Defocus (nm)4200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND3
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
EACH PARTICLE