3LU0

Molecular model of Escherichia coli core RNA polymerase


ELECTRON MICROSCOPY
Sample
E. coli RNA polymerase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles42000
Reported Resolution (Å)11.2
Resolution Method
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--local refinement, flexible fitting
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)10
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)80
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)1800
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN LIQUID NITROGEN
Nominal Magnification50000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGYup.scx
MODEL FITTINGYup.scx
RECONSTRUCTIONSPARX
RECONSTRUCTIONSPIDER