3TBY
CRYSTAL STRUCTURE OF THE MURINE CLASS I MAJOR HISTOCOMPATIBILITY COMPLEX H-2DB IN COMPLEX WITH THE LCMV-DERIVED GP33 ALTERED PEPTIDE ligand (V3P, Y4F)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | Crystals were obtained in 1.6-1.8 M ammonium sulfate, 0.1 M Tris HCl pH 7.0-9.0 screening conditions. 4 ul of a 5mg/ml protein solution were mixed in a 4:2 ratio with the crystallization reservoir , VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.12 | 60.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.82 | α = 90 |
b = 124.27 | β = 103.29 |
c = 99.65 | 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 | CCD | ADSC QUANTUM 4 | 2008-03-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-2 | 0.93400 | ESRF | ID14-2 |
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 | 2.5 | 48.5 | 98.1 | 0.112 | 10.7 | 3.7 | 75693 | 75693 | 55.1 |
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) | |||||||||||
1 | 2.5 | 2.65 | 99.2 | 0.631 | 1.9 | 11100 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1S7U | 2.5 | 20 | 70600 | 70600 | 3749 | 97.9 | 0.28604 | 0.28604 | 0.28449 | 0.31473 | RANDOM | 38.631 |
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] | |
-0.12 | -0.87 | 0.1 | -0.38 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.045 |
r_dihedral_angle_4_deg | 23.293 |
r_dihedral_angle_3_deg | 17.503 |
r_dihedral_angle_1_deg | 6.345 |
r_scangle_it | 1.254 |
r_angle_refined_deg | 1.192 |
r_angle_other_deg | 0.817 |
r_scbond_it | 0.814 |
r_mcangle_it | 0.482 |
r_mcbond_it | 0.262 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 12264 |
Nucleic Acid Atoms | |
Solvent Atoms | 232 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MxCuBE | data collection |
MOLREP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |