4RH2
Crystal structure of human carbonic anhydrase II in complex with 2-(6-hydroxy-3-Oxo-3H-xanthen-9-yl)-5-{3-1-(4-sulfamoyl-phenyl)-1h-[1,2,3]triazol-4-ylmethyl-thioureido}-benzoic acid
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8 | 296 | 1.6 M sodium citrate, Tris 50 mM, pH 8.0, VAPOR DIFFUSION, temperature 296K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.09 | 41.06 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.362 | α = 90 |
b = 41.282 | β = 104.3 |
c = 72.138 | 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 | PIXEL | DECTRIS PILATUS 6M | 2013-12-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALBA BEAMLINE XALOC | 0.980 | ALBA | XALOC |
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 | 1.3 | 30 | 84.7 | 0.022 | 23.8 | 2.07 | 50556 | 50556 | -3 | 15.639 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.3 | 1.38 | 44.8 | 0.063 | 8.64 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | FOURIER SYNTHESIS | THROUGHOUT | 4FIK | 1.3 | 30 | 50556 | 50556 | 2526 | 84.71 | 0.1565 | 0.1557 | 0.1712 | RANDOM | 13 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.831 |
r_dihedral_angle_4_deg | 23.949 |
r_dihedral_angle_3_deg | 11.033 |
r_dihedral_angle_1_deg | 6.148 |
r_angle_refined_deg | 1.331 |
r_mcangle_it | 1.019 |
r_scbond_it | 0.792 |
r_mcbond_it | 0.585 |
r_chiral_restr | 0.086 |
r_bond_refined_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2036 |
Nucleic Acid Atoms | |
Solvent Atoms | 385 |
Heterogen Atoms | 52 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
DNA | data collection |
XDS | data reduction |
XDS | data scaling |