5MEQ
Human Leukocyte Antigen A02 presenting ILAKFLHTL
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4I4W |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 0.2M ammonium sulphate, 0.1M HEPES pH7, 20% PEG 8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.52 | 51.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.34 | α = 90 |
b = 81.44 | β = 113.53 |
c = 56.77 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | PIXEL | PSI PILATUS 6M | 2014-05-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.97949 | Diamond | I04 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 2.27 | 48.9 | 99.3 | 0.101 | 0.119 | 12.8 | 3.6 | 20523 |
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 | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4I4W | 2.27 | 48.9 | 19484 | 1023 | 99.24 | 0.2065 | 0.2033 | 0.2643 | RANDOM | 37.722 |
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] | |
0.8 | -3.53 | 0.86 | 1.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.407 |
r_dihedral_angle_4_deg | 23.165 |
r_dihedral_angle_3_deg | 18.982 |
r_dihedral_angle_1_deg | 7.269 |
r_angle_refined_deg | 1.976 |
r_mcangle_it | 1.472 |
r_angle_other_deg | 1.134 |
r_mcbond_it | 0.845 |
r_mcbond_other | 0.836 |
r_chiral_restr | 0.127 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3166 |
Nucleic Acid Atoms | |
Solvent Atoms | 109 |
Heterogen Atoms | 9 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |