4I4W
Peptide length determines the outcome of T cell receptor/peptide-MHCI engagement
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.5 | 291 | 0.2M Ammonium sulphate, 22.5% PEG 8K, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.29 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 49.2 | ¦Á = 90 |
b = 74.87 | ¦Â = 90 |
c = 125.82 | ¦Ã = 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 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | Diamond | I04 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | 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 | 1.77 | 49.2 | 100 | 0.105 | 10.5 | 7.2 | 46011 | 2.5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.77 | 1.82 | 100 | 0.718 | 0.718 | 1 | 6.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.77 | 48.16 | 45945 | 43625 | 2319 | 99.95 | 0.18036 | 0.17812 | 0.222 | RANDOM | 26.926 |
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] | |
-2.11 | 2.12 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.646 |
r_dihedral_angle_4_deg | 17.534 |
r_dihedral_angle_3_deg | 15.185 |
r_scangle_it | 7.554 |
r_dihedral_angle_1_deg | 6.566 |
r_scbond_it | 5.603 |
r_mcangle_it | 3.188 |
r_mcbond_it | 2.236 |
r_angle_refined_deg | 2.031 |
r_angle_other_deg | 0.948 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3169 |
Nucleic Acid Atoms | |
Solvent Atoms | 336 |
Heterogen Atoms | 100 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
xia2 | data reduction |