1AQU
ESTROGEN SULFOTRANSFERASE WITH BOUND INACTIVE COFACTOR PAP AND 17-BETA ESTRADIOL
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 6.5 | EST WAS CRYSTALLIZED IN THE PRESENCE OF 4MM A3P AND THEN SOAKED IN A SATURATED SOLUTION OF 17BETA-ESTRADIOL., pH 6.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.3 | 57.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 97.38 | α = 90 |
b = 80.39 | β = 90 |
c = 80.95 | γ = 90 |
Symmetry | |
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Space Group | P 21 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 | 93 | IMAGE PLATE | MARRESEARCH | 1997-08-16 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9B | NSLS | X9B |
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 | 1.6 | 50 | 83.4 | 0.045 | 13.6 | 3.3 | 71494 | 17.9 |
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) | |||||||||||
1.6 | 1.66 | 80.2 | 0.23 | 2.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | MULTIPLE ISOMORPHOUS REPLACEMENT | THROUGHOUT | 1.6 | 50 | 2 | 70001 | 7100 | 81.7 | 0.218 | 0.218 | 0.251 | RANDOM | 20.6 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 24.4 |
x_scangle_it | 4.17 |
x_scbond_it | 2.85 |
x_mcangle_it | 2.24 |
x_mcbond_it | 1.54 |
x_angle_deg | 1.3 |
x_improper_angle_d | 0.72 |
x_bond_d | 0.01 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4774 |
Nucleic Acid Atoms | |
Solvent Atoms | 279 |
Heterogen Atoms | 54 |
Software
Software | |
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Software Name | Purpose |
PHASES | phasing |
X-PLOR | model building |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |