1UBS
TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) WITH A MUTATION OF LYS 87->THR IN THE B SUBUNIT AND IN THE PRESENCE OF LIGAND L-SERINE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 7.8 | pH 7.8 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.68 | 54.15 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 184.2 | ¦Á = 90 |
b = 61.8 | ¦Â = 94.8 |
c = 67.8 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 295 | IMAGE PLATE | RIGAKU RAXIS IIC | 1993-05-19 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.9 | 20 | 89.8 | 0.079 | 2.5 | 56520 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 1.9 | 8 | 2 | 50060 | 84.9 | 0.186 |
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 | |
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Key | Refinement Restraint Deviation |
p_orthonormal_tor | 28.5 |
p_staggered_tor | 20.3 |
p_planar_tor | 7.2 |
p_scangle_it | 6.22 |
p_scbond_it | 4.17 |
p_mcangle_it | 3.24 |
p_mcbond_it | 2.13 |
p_multtor_nbd | 0.223 |
p_xhyhbond_nbd | 0.215 |
p_singtor_nbd | 0.193 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4889 |
Nucleic Acid Atoms | |
Solvent Atoms | 254 |
Heterogen Atoms | 23 |
Software
Software | |
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Software Name | Purpose |
R-AXISIIC | data collection |
PROLSQ | refinement |
R-AXIS | data reduction |