8P0K

Cryo EM map and model of the vaccinia RNA polymerase intermediate pre-initiation open promoter complex, module 2 of capping enzyme mobile


ELECTRON MICROSCOPY
Sample
Vaccinia DNA-directed RNA polymerase open promoter intermediate pre-initiation complex
Sample Components
Vaccinia DNA-directed RNA polymerase open promoter intermediate pre-initiation complex
Template DNA oligomer
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles1052532
Reported Resolution (Å)2.64
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)70
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1
CTF CORRECTIONcryoSPARC4.1
INITIAL EULER ASSIGNMENTcryoSPARC4.1
RECONSTRUCTIONcryoSPARC4.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION9318600