3LU0
Molecular model of Escherichia coli core RNA polymerase
ELECTRON MICROSCOPY
Sample |
---|
E. coli RNA polymerase |
Specimen Preparation | |
---|---|
Sample Aggregation State | PARTICLE |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
---|---|
Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 42000 |
Reported Resolution (Å) | 11.2 |
Resolution Method | |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--local refinement, flexible fitting |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 10 |
Imaging Experiment | 1 |
---|---|
Date of Experiment | |
Temperature (Kelvin) | 80 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 1800 |
Maximum Defocus (nm) | 3000 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | GATAN LIQUID NITROGEN |
Nominal Magnification | 50000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
MODEL FITTING | Yup.scx | |
MODEL FITTING | Yup.scx | |
RECONSTRUCTION | SPARX | |
RECONSTRUCTION | SPIDER |