3JAO
Ciliary microtubule doublet
ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3J6E | |
| Sample |
|---|
| microtubule doublet extracted from Tetrahymena cilia |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| Vitrification Instrument | FEI VITROBOT MARK II |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Blot for 3 seconds in humid air atmosphere before plunging into liquid ethane (FEI VITROBOT MARK II). |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 10700 |
| Reported Resolution (Å) | 23 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | gold standard |
| Refinement Type | HALF-MAPS REFINED INDEPENDENTLY |
| Symmetry Type | HELICAL |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (3J6E) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | Cross-correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | METHOD--kinesin binding, gradient density map analysis, and cross-correlation coefficient. The fitting for protofilament A10 as represented by BIOMT ... | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GENERIC CCD | ||||||||
| Electron Dose (electrons/Å**2) | 30 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2011-10-25 |
| Temperature (Kelvin) | 90 |
| Microscope Model | FEI TECNAI F20 |
| Minimum Defocus (nm) | 1000 |
| Maximum Defocus (nm) | 4000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 1.5 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | GATAN LIQUID NITROGEN |
| Nominal Magnification | 67000 |
| Calibrated Magnification | 67000 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| MODEL FITTING | UCSF Chimera | |
| RECONSTRUCTION | SPIDER | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| each particle | ||||
