1SHQ
Crystal structure of shrimp alkaline phosphatase with magnesium in M3
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 293 | 42% (w/v) saturated ammonium sulfate, 100mM tris-maleic acid pH 5.6, 100 mM MgCl2, 5% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.92 | 57.56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 171.007 | α = 90 |
b = 171.007 | β = 90 |
c = 84.098 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 77 | CCD | ADSC QUANTUM 4 | 2002-05-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 1.2825 | ESRF | ID14-4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2 | 29.53 | 78786 | 4171 | 98.46 | 0.2153 | 0.21645 | 0.21529 | 0.23808 | RANDOM | 29.869 |
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] | |
-0.3 | -0.3 | 0.61 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 17.104 |
r_dihedral_angle_1_deg | 4.873 |
r_scangle_it | 4.431 |
r_scbond_it | 2.854 |
r_angle_refined_deg | 1.928 |
r_mcangle_it | 1.835 |
r_angle_other_deg | 1.223 |
r_mcbond_it | 1.093 |
r_nbtor_other | 0.651 |
r_symmetry_vdw_other | 0.289 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 7462 |
Nucleic Acid Atoms | |
Solvent Atoms | 102 |
Heterogen Atoms | 54 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
MLPHARE | phasing |