2WLC
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 TRIHYDRATE, PH 4.6, 1.0 M AMMONIUM PHOSPHATE MONOBASIC, 100 MM LITHIUM SULFATE MONOHYDRATE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.5 | 65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 199.635 | α = 90 |
b = 199.635 | β = 90 |
c = 199.635 | γ = 90 |
Symmetry | |
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Space Group | F 41 3 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 | CCD | ADSC QUANTUM 315 | MIRRORS | 2007-10-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | ALS | 8.2.2 |
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 | 1.95 | 40 | 100 | 0.09 | 68 | 46.9 | 25297 | 10 |
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 | 1.95 | 100 | 0.45 | 10.8 | 47.6 |
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 | 1.95 | 40 | 24017 | 1290 | 99.81 | 0.17421 | 0.17239 | 0.20885 | RANDOM | 11.03 |
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 |
r_dihedral_angle_2_deg | 38.957 |
r_dihedral_angle_4_deg | 21.537 |
r_dihedral_angle_3_deg | 12.647 |
r_dihedral_angle_1_deg | 6.47 |
r_scangle_it | 4.058 |
r_angle_other_deg | 2.97 |
r_scbond_it | 2.566 |
r_angle_refined_deg | 1.536 |
r_mcangle_it | 1.385 |
r_mcbond_it | 0.692 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1628 |
Nucleic Acid Atoms | |
Solvent Atoms | 214 |
Heterogen Atoms | 57 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |