1TUB
TUBULIN ALPHA-BETA DIMER, ELECTRON DIFFRACTION
ELECTRON CRYSTALLOGRAPHY
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | TWO-DIMENSIONAL SHEETS ARE FORMED UNDER NORMAL POLYMERIZING CONDITIONS WITH THE ADDITION OF 1 MM ZNCL2 | |||
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 80 | α = 90 |
| b = 92 | β = 90 |
| c = 90 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | 1996-09-12 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||||
| ELECTRON CRYSTALLOGRAPHY | 3.7 | ||||||||||||||||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6789 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 118 |
| Sample |
|---|
| alpha-beta tubulin sheets |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | 2D ARRAY |
| Embedding Material | tannin-glucose |
| Embedding Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | CRYSTALLOGRAPHY |
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GENERIC FILM | ||||||||
| Electron Dose (electrons/Å**2) | |||||||||
| Imaging Experiment | 1 | 2 |
|---|---|---|
| Date of Experiment | ||
| Temperature (Kelvin) | ||
| Microscope Model | JEOL 4000 | JEOL 4000 |
| Minimum Defocus (nm) | ||
| Maximum Defocus (nm) | ||
| Minimum Tilt Angle (degrees) | ||
| Maximum Tilt Angle (degrees) | ||
| Nominal CS | ||
| Imaging Mode | DIFFRACTION | BRIGHT FIELD |
| Specimen Holder Model | ||
| Nominal Magnification | ||
| Calibrated Magnification | ||
| Source | FIELD EMISSION GUN | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 400 | 400 |
| Imaging Details |
