4CK5
Pseudo-atomic model of microtubule-bound human kinesin-5 motor domain in the ADP state, based on cryo-electron microscopy experiment.
ELECTRON MICROSCOPY
Sample |
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microtubule-bound human kinesin-5 motor domain in the ADP state |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK I |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 9615 |
Reported Resolution (Å) | 10 |
Resolution Method | |
Other Details | TO ACCOUNT FOR THE FACT THAT HELIX ALPHA4 IS LONGER IN OUR RECONSTRUCTION THAN IN THE AVAILABLE ADP CRYSTAL STRUCTURES, WE MODELLED 7 HELICAL TURNS OF ... |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (3HQD, 1JFF) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--FLEXIBLE |
Data Acquisition | |||||||||
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Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 18 |
Imaging Experiment | 1 |
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Date of Experiment | 2012-10-20 |
Temperature (Kelvin) | 90 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 700 |
Maximum Defocus (nm) | 2400 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 68000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | Flex-EM | |
MODEL FITTING | UCSF Chimera | |
RECONSTRUCTION | FREALIGN | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
FREALIGN |