1G98
CRYSTAL STRUCTURE ANALYSIS OF RABBIT PHOSPHOGLUCOSE ISOMERASE COMPLEXED WITH 5-PHOSPHOARABINONATE, A TRANSITION STATE ANALOGUE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | protein solution: 15-20mg/ml PGI, 10mM imidazole (pH 7.5), 50mM KCl, 3mMNaN3, 5mM 5PAH reservoir solution: 10-15% PEG 8000, 250mM magnesium acetate, 100mM sodium cacodylate (pH6.5). VAPOR DIFFUSION, HANGING DROP at 298K, pH 7.0, temperature 298.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.61 | 52.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 82.829 | α = 90 |
b = 116.554 | β = 90 |
c = 271.824 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | 93 | CCD | ADSC QUANTUM 4 | 1999-11-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-BM-C | 1.000 | APS | 14-BM-C |
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 | 1.9 | 8 | 94.3 | 0.035 | 0.035 | 26.86 | 5.1 | 95997 | 95997 | 22.646 |
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) | ||||||||||
1.9 | 1.97 | 99.8 | 0.082 | 0.082 | 15.45 | 4.88 | 10080 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1DQR | 1.9 | 8 | 95997 | 95997 | 9635 | 93.6 | 0.211 | 0.236 | random | 25.96 |
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 |
c_dihedral_angle_d | 22.76 |
c_angle_deg | 1.4 |
c_improper_angle_d | 0.92 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8790 |
Nucleic Acid Atoms | |
Solvent Atoms | 892 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |