7KNS
Cryo-EM structure of jack bean urease
ELECTRON MICROSCOPY
Sample |
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Jack bean urease |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
---|---|
Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 56038 |
Reported Resolution (Å) | 2.77 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (3LA4) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | AB INITIO MODEL | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 44 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TECNAI ARCTICA |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
IMAGE ACQUISITION | SerialEM | |
CTF CORRECTION | RELION | |
MODEL FITTING | Coot | |
INITIAL EULER ASSIGNMENT | RELION | |
FINAL EULER ASSIGNMENT | RELION | |
CLASSIFICATION | RELION | |
RECONSTRUCTION | RELION | |
MODEL REFINEMENT | PHENIX |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |