3PWP
The complex between TCR A6 and human Class I MHC HLA-A2 with the bound HuD peptide
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1AO7 | PDB entry 1AO7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 298 | 30% PEG3350, 0.1M TRIS, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.73 | 54.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 224.006 | α = 90 |
b = 49.065 | β = 90.07 |
c = 93.711 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 31-ID | 0.98 | APS | 31-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.69 | 20 | 94.4 | 0.078 | 17 | 3.6 | 28642 | 27038 | 1 | 1 | 61.8 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.69 | 2.75 | 63.2 | 0.37 | 2.7 | 910 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1AO7 | 2.69 | 20 | 28702 | 27035 | 1371 | 94.19 | 0.2009 | 0.2009 | 0.1979 | 0.2587 | RANDOM, 5% | 55.0952 |
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] | |
-4.17 | 1.27 | 5 | -0.82 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.92 |
r_dihedral_angle_3_deg | 21.336 |
r_dihedral_angle_4_deg | 18.465 |
r_dihedral_angle_1_deg | 7.611 |
r_angle_refined_deg | 1.69 |
r_mcangle_it | 1.588 |
r_scangle_it | 1.4 |
r_mcbond_it | 0.943 |
r_scbond_it | 0.874 |
r_nbtor_refined | 0.323 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6638 |
Nucleic Acid Atoms | |
Solvent Atoms | 66 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
SGX-CAT | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |