5TFX
New method for synthesis of benzoxazole amide inhibitors of carbonic anhydrase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.3 | 281 | 2.7 M ammonium sulfate, 100 mM Tris pH 8.3 with protein at 7 mg/mL |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 41.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.583 | α = 90 |
b = 41.549 | β = 104.58 |
c = 72.298 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 210 | 2016-06-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | 1.008 | Australian Synchrotron | MX1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | 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 | 1.5 | 41.6 | 96.4 | 0.1 | 0.998 | 13.8 | 7.1 | 38190 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.5 | 1.52 | 66.2 | 0.688 | 0.668 | 2 | 5.3 |
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 | 5flo | 1.5 | 41.6 | 36248 | 1769 | 96.06 | 0.18944 | 0.18661 | 0.24619 | RANDOM | 13.662 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.1 | 0.05 | -0.16 | 0.21 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.675 |
r_dihedral_angle_4_deg | 24.825 |
r_sphericity_free | 19.278 |
r_dihedral_angle_3_deg | 13.047 |
r_dihedral_angle_1_deg | 6.716 |
r_sphericity_bonded | 5.471 |
r_rigid_bond_restr | 2.689 |
r_long_range_B_refined | 2.228 |
r_long_range_B_other | 2.228 |
r_scangle_other | 1.959 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2059 |
Nucleic Acid Atoms | |
Solvent Atoms | 270 |
Heterogen Atoms | 29 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |