8BZZ
Crystal structure of carbonic anhydrase 2 4-(dimethylamino)-N-nitrobenzenesulfonamide
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4FIK |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 296 | 1.5 M sodium citrate, 0.1 M Tris pH 8.0 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41.39 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.38 | α = 90 |
b = 41.5 | β = 104.395 |
c = 72.16 | 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 | 2021-12-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ELETTRA BEAMLINE 11.2C | 1.000 | ELETTRA | 11.2C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 1.07 | 69.89 | 98.6 | 0.048 | 0.053 | 0.999 | 17.05 | 5.47 | 106121 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.07 | 1.1 | 94.4 | 0.591 | 0.667 | 0.769 | 2.46 | 4.25 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | NONE | 1.07 | 69.89 | 106121 | 5276 | 98.66 | 0.132 | 0.1303 | 0.154 | 13.724 |
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] | |
-0.285 | -0.05 | 0.254 | 0.05 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.99 |
r_dihedral_angle_4_deg | 22.979 |
r_rigid_bond_restr | 13.121 |
r_dihedral_angle_3_deg | 10.743 |
r_dihedral_angle_1_deg | 7.325 |
r_scbond_it | 5.795 |
r_scbond_other | 5.792 |
r_scangle_it | 5.654 |
r_scangle_other | 5.652 |
r_lrange_it | 5.39 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2045 |
Nucleic Acid Atoms | |
Solvent Atoms | 299 |
Heterogen Atoms | 39 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
REFMAC | phasing |