Crystal structure of human carbonic anhydrase isozyme II with 3-(Methylamino)-2,5,6-trifluoro-4-[(2-phenylethyl)sulfonyl]benzenesulfonamide
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 3HLJ | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 291 | Crystallization buffer: 0.1M sodium bicine (pH 9), 0.2 M ammonium sulfate and 2M sodium malonate (pH 7) | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.02 | 38.6 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 42.209 | α = 90 | 
| b = 41.078 | β = 104.11 | 
| c = 71.968 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS3 6M | 2012-11-30 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) | 0.826606 | PETRA III, EMBL c/o DESY | P13 (MX1) | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.1 | 69.798 | 98.8 | 0.038 | 18.4 | 6.7 | 95940 | 9.98 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.1 | 1.16 | 97.9 | 0.265 | 2.9 | 6.5 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3HLJ | 1.1 | 40.94 | 86284 | 9634 | 98.73 | 0.1401 | 0.1377 | 0.13 | 0.1611 | 0.15 | RANDOM | 17.652 | ||||
| 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] | |
| 0.07 | 0.06 | -0.07 | 0.03 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 32.971 | 
| r_sphericity_free | 28.569 | 
| r_dihedral_angle_4_deg | 21.307 | 
| r_sphericity_bonded | 14.828 | 
| r_dihedral_angle_3_deg | 12.622 | 
| r_rigid_bond_restr | 9.24 | 
| r_dihedral_angle_1_deg | 6.902 | 
| r_angle_refined_deg | 2.408 | 
| r_chiral_restr | 0.172 | 
| r_bond_refined_d | 0.024 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2058 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 302 | 
| Heterogen Atoms | 51 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| SCALA | data scaling | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| MOLREP | phasing | 














