1EIS
UDA UNCOMPLEXED FORM. CRYSTAL STRUCTURE OF URTICA DIOICA AGGLUTININ, A SUPERANTIGEN PRESENTED BY MHC MOLECULES OF CLASS I AND CLASS II
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 290 | PEG 6000, sodium acetate, sodium chloride , pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 290.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.68 | 54.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.3 | α = 90 |
b = 41.6 | β = 90 |
c = 77.1 | 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 | 298 | IMAGE PLATE | MARRESEARCH | 1998-09-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LURE BEAMLINE D41A | LURE | D41A |
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 | 1.66 | 18 | 95.4 | 0.056 | 24.7 | 12.5 | 11689 | 11689 | 30.8 |
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) | |||||||||||
1.66 | 1.72 | 84.7 | 0.352 | 8.9 | 1015 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | 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 | MIR | 1.66 | 18 | 11689 | 11689 | 602 | 95.4 | 0.207 | 0.207 | 0.191 | 0.249 | RANDOM |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
p_transverse_tor | 27.4 |
p_staggered_tor | 13.7 |
p_scangle_it | 4.916 |
p_planar_tor | 4.9 |
p_scbond_it | 3.397 |
p_mcangle_it | 2.864 |
p_mcbond_it | 1.814 |
p_chiral_restr | 0.185 |
p_multtor_nbd | 0.162 |
p_singtor_nbd | 0.149 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 631 |
Nucleic Acid Atoms | |
Solvent Atoms | 49 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
MLPHARE | phasing |
DM | model building |
REFMAC | refinement |
DM | phasing |