1EW9
ALKALINE PHOSPHATASE (E.C. 3.1.3.1) COMPLEX WITH MERCAPTOMETHYL PHOSPHONATE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9.5 | 298 | enzyme: 30 mg/mL; buffer: 40% saturated ammonium sulfate, 100 mM Tris/10 mM magnesium sulfate, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 25K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.31 | 62.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 194.83 | α = 90 |
b = 167.1 | β = 90 |
c = 76.67 | 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 | 295 | AREA DETECTOR | UCSD MARK III | 1996-08-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 30 | 92.6 | 0.052 | 7.2 | 2.6 | 84601 | 78354 | 25.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2 | 2.15 | 72.6 | 0.257 | 1.7 | 12128 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | 2 | 12 | 78354 | 77898 | 3115 | 99.1 | 0.181 | 0.181 | 0.175 | 0.229 | every 25 |
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 |
s_angle_d | 0.028 |
s_bond_d | 0.016 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6606 |
Nucleic Acid Atoms | |
Solvent Atoms | 557 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
SDMS | data collection |
SDMS | data reduction |
X-PLOR | model building |
SHELXL-97 | refinement |
SDMS | data scaling |
X-PLOR | phasing |