2NTL
Crystal structure of PurO/AICAR from Methanothermobacter thermoautotrophicus
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1KUU | PDB ENTRY 1KUU |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 295.15 | 25-30% MPD, 0.2M ammonium acetate, 0.1M sodium citrate buffer, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.75 | 55.34 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 85.913 | α = 90 |
b = 85.913 | β = 90 |
c = 124.29 | γ = 120 |
Symmetry | |
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Space Group | P 32 |
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 | ADSC QUANTUM 315 | 2005-04-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 8-BM | APS | 8-BM |
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 | 2.6 | 50 | 98.5 | 0.07 | 21.27 | 2.9 | 31533 | 31271 | 35.7 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.6 | 2.7 | 99.6 | 0.405 | 3.83 | 2.8 | 3192 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1KUU | 2.6 | 35.64 | 31540 | 28765 | 2868 | 91.2 | 0.208 | 0.208 | 0.243 | RANDOM | 61.4 |
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] | |
12.95 | 12.15 | 12.95 | -25.89 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.9 |
c_scangle_it | 5.88 |
c_scbond_it | 4.39 |
c_mcangle_it | 4.14 |
c_mcbond_it | 2.78 |
c_angle_deg | 1.4 |
c_improper_angle_d | 0.83 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6179 |
Nucleic Acid Atoms | |
Solvent Atoms | 46 |
Heterogen Atoms | 88 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
ADSC | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |