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 5G5L | pdb_00005g5l

RNA polymerase I-Rrn3 complex at 4.8 A resolution


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4C2M 
Sample
S. CEREVISIAE RNA POLYMERASE I BOUND TO THE INITIATION FACTOR RRN3
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsVITROBOT MARK IV, METHOD- 4.5 MICROLITERS OF SAMPLE WAS APPLIED TO GLOW- DISCHARGED QUANTIFOIL R 2- 1 HOLEY CARBON GRIDS, WHICH WERE THEN BLOTTED FOR ...VITROBOT MARK IV, METHOD- 4.5 MICROLITERS OF SAMPLE WAS APPLIED TO GLOW- DISCHARGED QUANTIFOIL R 2- 1 HOLEY CARBON GRIDS, WHICH WERE THEN BLOTTED FOR 8.5S AND PLUNGE- FROZEN IN LIQUID ETHANE.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles63445
Reported Resolution (Å)4.8
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3439. (DEPOSITION ID: 14566).
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (4C2M)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value150
Fitting Procedure
DetailsMETHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment2015-03-27
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)3600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification37000
Calibrated Magnification37037
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGCoot
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
RELION