2X0Y
Screening-based discovery of drug-like O-GlcNAcase inhibitor scaffolds
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM CACODYLATE PH 6.5 AND 30 % PEG 8000 AND GAMMA-BUTYROLACTONE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.76 | 55.42 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 130.405 | α = 90 |
b = 148.549 | β = 90 |
c = 151.97 | γ = 90 |
Symmetry | |
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Space Group | I 21 21 21 |
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 CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | ESRF | ID14-3 |
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 | 2.25 | 20 | 99.9 | 0.11 | 14.8 | 4 | 71167 | 2 |
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 | 2.25 | 2.33 | 99.9 | 0.43 | 3 | 3.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB ENTRY 2CBJ | 2.25 | 19.88 | 68464 | 1400 | 99.88 | 0.20433 | 0.20348 | 0.2465 | RANDOM | 27.805 |
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] | |
0.04 | 0.15 | -0.19 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.948 |
r_dihedral_angle_4_deg | 17.596 |
r_dihedral_angle_3_deg | 16.949 |
r_dihedral_angle_1_deg | 6.757 |
r_scangle_it | 5.09 |
r_scbond_it | 3.23 |
r_mcangle_it | 1.934 |
r_angle_refined_deg | 1.799 |
r_mcbond_it | 1.044 |
r_chiral_restr | 0.133 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9249 |
Nucleic Acid Atoms | |
Solvent Atoms | 825 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data scaling |
REFMAC | phasing |