5N1S
Crystal structure of human carbonic anhydrase II in complex with the inhibitor 4-(1H-Indol-2-yl)-benzenesulfonamide
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 | 8 | 296 | 1.5 M sodium citrate, Tris 50 mM |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.308 | α = 90 |
b = 41.379 | β = 104.35 |
c = 71.963 | 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 315r | 2015-04-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM30A | 0.979740 | ESRF | BM30A |
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 | 1.25 | 30 | 94.2 | 0.057 | 0.07 | 0.998 | 11.86 | 2.845 | 63363 | -3 | 15.167 |
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 | 1.25 | 1.32 | 75.3 | 0.461 | 0.578 | 0.72 | 1.97 | 2.322 |
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 | FOURIER SYNTHESIS | THROUGHOUT | 4FIK | 1.3 | 30 | 55240 | 2803 | 97.45 | 0.1565 | 0.1553 | 0.1805 | RANDOM | 13.328 |
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 | -0.1 | 0.14 | -0.16 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.474 |
r_dihedral_angle_4_deg | 26.174 |
r_dihedral_angle_3_deg | 13.637 |
r_dihedral_angle_1_deg | 6.754 |
r_angle_refined_deg | 2.749 |
r_chiral_restr | 0.197 |
r_bond_refined_d | 0.028 |
r_gen_planes_refined | 0.016 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2043 |
Nucleic Acid Atoms | |
Solvent Atoms | 362 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
REFMAC | phasing |