1VDM
Crystal structure of purine phosphoribosyltransferase from Pyrococcus horikoshii Ot3
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 4.4 | 291 | NaCl, pH 4.4, microbatch, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.36 | 63.35 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 105.603 | α = 90 |
b = 157.35 | β = 90 |
c = 170.631 | 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 | 100 | IMAGE PLATE | RIGAKU RAXIS V | 2003-09-25 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | 100 | CCD | RIGAKU JUPITER | 2003-09-26 | |||||||||
3 | 1 | 100 | IMAGE PLATE | RIGAKU RAXIS V | 2003-09-28 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B1 | 1.000 | SPring-8 | BL26B1 |
2 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B1 | 1.0081 | SPring-8 | BL26B1 |
3 | ROTATING ANODE | RIGAKU | 1.54178 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.5 | 40 | 100 | 0.129 | 0.123 | 8 | 7.3 | 99412 | 99412 | 50.611 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.5 | 2.59 | 100 | 0.785 | 0.731 | 3.23 | 7.4 | 9841 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation 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 | THROUGHOUT | 2.5 | 39.55 | 98798 | 98798 | 4939 | 100 | 0.211 | 0.211 | 0.209 | 0.241 | random | 46.4 |
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] | |
8.61 | -6.62 | -2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_deg | 1.3 |
c_bond_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14432 |
Nucleic Acid Atoms | |
Solvent Atoms | 749 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SCALEPACK | data scaling |
SOLVE | phasing |
CNS | refinement |
HKL-2000 | data reduction |