3IA1
Crystal structure of thio-disulfide isomerase from Thermus thermophilus
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.6 | 0.1M SODIUM ACETATE PH 4.6, 30% PEG4000, 200MM AMMONIUM ACETATE, 10% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.38 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 63.237 | α = 90 |
b = 63.237 | β = 90 |
c = 152.535 | γ = 120 |
Symmetry | |
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Space Group | P 32 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 | 90 | CCD | ADSC QUANTUM 315 | MIRRORS | 2009-06-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.76 | 50 | 100 | 0.071 | 7 | 9.6 | 35917 | -5 | 21.982 |
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 | 1.76 | 1.82 | 100 | 0.46 | 2.1 | 9.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 1.76 | 20 | 34745 | 1121 | 100 | 0.16411 | 0.16289 | 0.20398 | RANDOM | 25.87 |
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] | |
0.95 | 0.48 | 0.95 | -1.43 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.891 |
r_dihedral_angle_1_deg | 21.374 |
r_dihedral_angle_4_deg | 16.452 |
r_dihedral_angle_3_deg | 13.346 |
r_scangle_it | 8.836 |
r_scbond_it | 6.186 |
r_mcangle_it | 5.04 |
r_mcbond_it | 3.797 |
r_angle_refined_deg | 1.746 |
r_nbtor_refined | 0.312 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2235 |
Nucleic Acid Atoms | |
Solvent Atoms | 334 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
SHELXD | phasing |
REFMAC | refinement |
DENZO | data reduction |
HKL-2000 | data scaling |