Pseudo-atomic model of microtubule-bound S. pombe kinesin-5 motor domain in the AMPPNP state (based on cryo-electron microscopy experiment): the N-terminus adopts multiple conformations
ELECTRON MICROSCOPY
| Sample |
|---|
| microtubule-bound S. pombe kinesin-5 motor domain in the AMPPNP state |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | HELICAL ARRAY |
| Vitrification Instrument | FEI VITROBOT MARK I |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 144300 |
| Reported Resolution (Å) | 9.3 |
| Resolution Method | FSC 0.5 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | Cross-correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | An initial homology model of S. pombe cut7 kinesin-5 motor domain based on human kinesin-5 structure (PDB 3HQD) was prepared using Modeller. The coord ... | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 20 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TECNAI F20 |
| Minimum Defocus (nm) | 700 |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | GATAN CT3500 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER |
| Nominal Magnification | |
| Calibrated Magnification | 68000 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | EMAN | |
| CTF CORRECTION | CTFFIND | 3 |
| CTF CORRECTION | FREALIGN | |
| MODEL FITTING | Flex-EM | |
| MODEL FITTING | UCSF Chimera | |
| INITIAL EULER ASSIGNMENT | SPIDER | |
| FINAL EULER ASSIGNMENT | FREALIGN | |
| RECONSTRUCTION | FREALIGN | |
| MODEL REFINEMENT | Flex-EM | |
| MODEL REFINEMENT | MODELLER | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
