3OB7
Human Thymidylate Synthase R163K with Cys 195 covalently modified by Glutathione
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3H9K | PDB entry 3H9K |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 278 | 100mM Tris pH9.0,20mM BME, 3mM KH2PO4, 10-20% PEG 4000, vapor diffusion, hanging drop, temperature 278K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.13 | 60.68 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 201.798 | ¦Á = 90 |
b = 123.106 | ¦Â = 115.75 |
c = 99.928 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 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 | 100 | CCD | MARMOSAIC 225 mm CCD | 2007-12-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 0.92 | APS | 22-BM |
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 | 2.65 | 45.46 | 78.4 | 0.074 | 15 | 2.7 | 63295 | 49621 |
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 | 2.65 | 2.74 | 27.3 | 0.368 | 1.8 | 1715 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB entry 3H9K | 2.75 | 45.46 | 46360 | 45049 | 4563 | 78.7 | 0.2344 | 0.2926 | Random | 90.928 |
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] | |
37.576 | 8.813 | -14.686 | -22.89 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 4.535 |
c_mcangle_it | 3.458 |
c_scbond_it | 3.007 |
c_mcbond_it | 2.033 |
c_angle_d | 1.558 |
c_bond_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 11326 |
Nucleic Acid Atoms | |
Solvent Atoms | 64 |
Heterogen Atoms | 55 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
SERGUI | data collection |
CNS | phasing |