7NBA
Plasmodium falciparum kinesin-5 motor domain bound to AMPPNP, complexed with 14 protofilament microtubule.
ELECTRON MICROSCOPY
Sample |
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14 protofilament microtubule complexed with Plasmodium falciparum kinesin-5 motor domain bound to AMPPNP. Asymmetric unit. |
Specimen Preparation | |
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Sample Aggregation State | FILAMENT |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | 5 uM microtubules were applied to the grid and incubated for 30 seconds. The grid was blotted, then 40 uM kinesin motor domain added, incubated for 30 ... |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 166375 |
Reported Resolution (Å) | 4 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | RELION 3D auto-refine |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C1 |
Axial Rise | 9 |
Angular Rotation | -25.75 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (3HQD, 3JAT) | ||||
Refinement Space | |||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 58 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI POLARA 300 |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | RELION | |
IMAGE ACQUISITION | SerialEM | |
CTF CORRECTION | Gctf | |
MODEL FITTING | Flex-EM | |
MODEL REFINEMENT | Rosetta | |
INITIAL EULER ASSIGNMENT | RELION | |
FINAL EULER ASSIGNMENT | RELION | |
RECONSTRUCTION | RELION |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING ONLY |