1JHT
Crystal structure of HLA-A2*0201 in complex with a nonameric altered peptide ligand (ALGIGILTV) from the MART-1/Melan-A.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1DUZ | PDB ENTRY 1DUZ (peptide removed) |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 16% PEG, 25 mM MES, 0.10% NaN3, pH 6.5, VAPOR DIFFUSION, HANGING DROP, at 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.51 | 51.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.19 | α = 90 |
b = 74.47 | β = 90 |
c = 122.29 | 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 | CCD | ADSC QUANTUM 4 | bent conical Si-mirror (Rh coating) | 2000-03-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-BM-C | 1.0 | APS | 14-BM-C |
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 | 2.15 | 30 | 99 | 0.039 | 36 | 7.4 | 25511 | 25511 | 17.3 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
2.15 | 2.25 | 96.4 | 0.124 | 8.2 | 6.2 | 3085 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1DUZ (peptide removed) | 2.15 | 29.69 | 25158 | 25064 | 2472 | 99.6 | 0.21 | 0.21 | 0.252 | RANDOM | 30.8 |
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] | |
3.08 | 0.21 | -3.3 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.9 |
c_scangle_it | 4.56 |
c_scbond_it | 3.27 |
c_mcangle_it | 2.95 |
c_mcbond_it | 2.06 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.69 |
c_bond_d | 0.006 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3127 |
Nucleic Acid Atoms | |
Solvent Atoms | 264 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
MOLREP | phasing |
CNS | refinement |