3M2Y
Carbonic Anhydrase II in complex with novel sulfonamide inhibitor
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.8 | 291 | 2.5 M ammonium sulfate 50 mM Tris 0.1 mM p-chloromercuribenzoic acid 1 mM Sulfonamide, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.17 | 40.21 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.4 | α = 90 |
b = 41.4 | β = 104.6 |
c = 72.2 | 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 | 110 | CCD | MAR CCD 165 mm | silicon | 2008-02-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.91841 | BESSY | 14.2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.17 | 25 | 97.3 | 0.048 | 16.8 | 3 | 79675 | 79675 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.17 | 1.19 | 95.4 | 0.182 | 5.7 | 2.8 | 3895 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R | PDB entry 1OQ5 | 1.17 | 10 | 4 | 77967 | 74020 | 3947 | 95.3 | 0.1282 | 0.127 | 0.124 | 0.161 | RANDOM |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
7 | 1975.86 | 2339.48 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_non_zero_chiral_vol | 0.081 |
s_approx_iso_adps | 0.08 |
s_zero_chiral_vol | 0.077 |
s_anti_bump_dis_restr | 0.068 |
s_similar_adp_cmpnt | 0.041 |
s_from_restr_planes | 0.0308 |
s_angle_d | 0.03 |
s_bond_d | 0.021 |
s_rigid_bond_adp_cmpnt | 0.005 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2043 |
Nucleic Acid Atoms | |
Solvent Atoms | 266 |
Heterogen Atoms | 32 |
Software
Software | |
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Software Name | Purpose |
SHELXL-97 | refinement |
CNS | refinement |
MAR345 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |