3PK4
Urate oxidase under 3.2 MPa / 32 bars pressure of xenon
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2IBA | PDB entry 2IBA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | BATCH | 8.5 | 298 | 10-15 mg.ml-1 Urate oxidase; 2 mg.ml-1 8-azaxanthine; 50 mM Tris/HCl pH 8.5; 5-8 % PEG 8000; 0-0.05 M NaCl. , BATCH, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.99 | 58.86 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 80.405 | α = 90 |
b = 96.311 | β = 90 |
c = 105.593 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
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 | 298 | CCD | ADSC QUANTUM 315r | MIRRORS | 2010-09-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM30A | 0.9797 | ESRF | BM30A |
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 | 1.85 | 30 | 99.9 | 0.064 | 15.3 | 4.8 | 35288 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | |||||||||||
1 | 1.85 | 1.95 | 99.9 | 99.9 | 0.31 | 5.1 | 4.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | RIGID BODY | THROUGHOUT | PDB entry 2IBA | 1.85 | 19.76 | 33452 | 1766 | 99.75 | 0.16109 | 0.15936 | 0.19341 | RANDOM | 25.571 |
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] | |
-0.02 | 0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.126 |
r_dihedral_angle_3_deg | 12.715 |
r_dihedral_angle_4_deg | 11.375 |
r_dihedral_angle_1_deg | 6.038 |
r_scangle_it | 4.546 |
r_scbond_it | 2.675 |
r_mcangle_it | 1.786 |
r_angle_refined_deg | 1.546 |
r_mcbond_it | 0.928 |
r_chiral_restr | 0.107 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2362 |
Nucleic Acid Atoms | |
Solvent Atoms | 163 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |