4ATX
Rigor kinesin motor domain with an ordered neck-linker, docked on tubulin dimer, modelled into the 8A cryo-EM map of doublecortin- microtubules decorated with kinesin
ELECTRON MICROSCOPY
Sample |
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DOUBLECORTIN-STABILISED MICROTUBULES DECORATED WITH KINESIN MOTOR DOMAINS |
Specimen Preparation | |
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Sample Aggregation State | FILAMENT |
Vitrification Instrument | FEI VITROBOT MARK I |
Cryogen Name | ETHANE |
Sample Vitrification Details | CRYOGEN- ETHANE, HUMIDITY- 100, INSTRUMENT- FEI VITROBOT |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 168000 |
Reported Resolution (Å) | 8.2 |
Resolution Method | |
Other Details | A HOMOLOGY MODEL OF RAT KINESIN MOTOR DOMAIN MUTANT T93N WAS GENERATED USING MODELLER, BASED ON THE STRUCTURE OF HUMAN KINESIN 1BG2. 2) KINESIN LOOP11 ... |
Refinement Type | |
Symmetry Type | HELICAL |
Map-Model Fitting and Refinement | |||||
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Id | 1 (2XRP, 1BG2) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--RIGID BODY |
Data Acquisition | |||||||||
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Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 15 |
Imaging Experiment | 1 |
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Date of Experiment | 2009-09-01 |
Temperature (Kelvin) | 93 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 760 |
Maximum Defocus (nm) | 2900 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 50000 |
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 | |
DONE WITH FREALIGN |