2WLE
Crystallographic analysis of the polysialic acid O-acetyltransferase OatWY
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.6 | 100 MM SODIUM ACETATE, PH 4.6, 2.25 M AMMONIUM ACETATE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.65 | 54 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.074 | α = 90 |
b = 94.523 | β = 90 |
c = 100.886 | γ = 90 |
Symmetry | |
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Space Group | P 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 | 100 | IMAGE PLATE | MAR scanner 345 mm plate | MIRRORS | 2007-11-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | COPPER HOME SOURCE |
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 | 2.2 | 40 | 99.7 | 0.06 | 34.5 | 6 | 39161 | 3 |
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 | 2.28 | 97.4 | 0.46 | 3.4 | 5.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | IN-HOUSE STRUCTURE | 2.19 | 40 | 37139 | 1966 | 99.32 | 0.1975 | 0.19512 | 0.24245 | RANDOM | 21.778 |
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] | |
1.72 | -0.62 | -1.09 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.891 |
r_dihedral_angle_3_deg | 13.406 |
r_dihedral_angle_4_deg | 10.515 |
r_dihedral_angle_1_deg | 5.721 |
r_scangle_it | 1.963 |
r_angle_other_deg | 1.295 |
r_scbond_it | 1.18 |
r_angle_refined_deg | 1.104 |
r_mcangle_it | 0.633 |
r_mcbond_it | 0.32 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4855 |
Nucleic Acid Atoms | |
Solvent Atoms | 215 |
Heterogen Atoms | 108 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |