3J47
Formation of an intricate helical bundle dictates the assembly of the 26S proteasome lid
ELECTRON MICROSCOPY
Sample |
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26S proteasome |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 2464694 |
Reported Resolution (Å) | 7.4 |
Resolution Method | FSC 0.5 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--Hybrid method + flexible fitting REFINEMENT PROTOCOL--Hybrid method DETAILS--Initial model was done with an in house hybrid method (EMTEGRATO ... |
Data Acquisition | |||||||||
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Detector Type | TVIPS TEMCAM-F816 (8k x 8k) | ||||||||
Electron Dose (electrons/Å**2) | 25 |
Imaging Experiment | 1 |
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Date of Experiment | 2012-03-15 |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 1500 |
Maximum Defocus (nm) | 3500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 150000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | EMTEGRATOR | |
MODEL FITTING | iMODFIT | |
MODEL FITTING | VOLTRAC |