2DE8
Crystal structure of porcine pancreatic elastase with a unique conformation induced by Tris
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 277 | 0.3M sodium chloride, 50mM Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.86 | 33.77 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 46.131 | α = 90 |
b = 57.295 | β = 90 |
c = 72.893 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2005-12-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 1.0 | SPring-8 | BL41XU |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.5 | 30 | 98.8 | 31860 | 31478 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | 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 | FOURIER SYNTHESIS | 1.5 | 30 | 31860 | 31478 | 1574 | 0.223 | 0.246 | random |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1822 |
Nucleic Acid Atoms | |
Solvent Atoms | 236 |
Heterogen Atoms | 9 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SCALEPACK | data scaling |
CNX | refinement |
HKL-2000 | data reduction |
CNX | phasing |