2FO9
Structure of porcine pancreatic elastase in 95% acetone
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3EST | PDB Entry 3EST |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 291 | 15 mg/ml elastase, 25 mM Sodium Acetate, 135 mM Sodium sulfate, 10 ul drop (5x5). See also: Sawyer et al., J.Mol.Biol.118, 137-208 (1978)., pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.96 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 52.2 | α = 90 |
b = 58.12 | β = 90 |
c = 75.05 | 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 | 273 | IMAGE PLATE | RIGAKU RAXIS II | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2 | 500 | 36.3 | 18975 |
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 | PDB Entry 3EST | 2 | 500 | 18975 | 10830 | 607 | 36.3 | 0.168 | 0.23 | Random | 25.417 |
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] | |
3.137 | 0.85 | -3.986 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 25.5217 |
c_angle_d | 1.1993 |
c_improper_angle_d | 0.64614 |
c_bond_d | 0.0049 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1822 |
Nucleic Acid Atoms | |
Solvent Atoms | 142 |
Heterogen Atoms | 11 |
Software
Software | |
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Software Name | Purpose |
PROCESS | data reduction |
CNS | refinement |
PROCESS | data scaling |
CNS | phasing |