8B7A
Tubulin - maytansinoid - 4 complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 5% PEG 4K, 8% glycerol, 30 mM MgCl2, 30 mM CaCl2, 0.1 M MES/Imidazole, 5 mM L-tyrosine |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 105.271 | α = 90 |
b = 158.55 | β = 90 |
c = 181.846 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 2M-F | 2021-02-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06DA | 1.000029 | SLS | X06DA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
1 | 2.25 | 48.15 | 99.93 | 0.1852 | 0.1924 | 0.0518 | 0.999 | 14.23 | 13.6 | 144473 | 50.24 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.25 | 2.31 | 98.9 | 4.308 | 4.493 | 0.201 | 0.56 | 12.47 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 5LXT | 2.25 | 48.15 | 144457 | 7224 | 99.89 | 0.1829 | 0.1809 | 0.223 | 67.09 |
Temperature Factor Modeling | ||||||
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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 | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 17229 |
Nucleic Acid Atoms | |
Solvent Atoms | 889 |
Heterogen Atoms | 224 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
PDB_EXTRACT | data extraction |
XDS | data scaling |
PHENIX | phasing |