Crystal structure of chimeric carbonic anhydrase VI with 4-[(4,6-dimethylpyrimidin-2-yl)thio]-2,3,5,6-tetrafluorobenzenesulfonamide
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4HT0 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 291 | Crystallization buffer was 0.1M sodium BICINE (pH 9), 0.2M ammonium sulfate and 2M sodium malonate (pH 7) |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.06 | 40.24 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 42.299 | α = 90 |
| b = 41.401 | β = 104.31 |
| c = 71.242 | 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 PILATUS 6M | 2013-05-21 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) | 0.976300 | PETRA III, EMBL c/o DESY | P14 (MX2) |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.418 | 69.031 | 92.8 | 0.042 | 0.052 | 0.019 | 22.7 | 7 | 42097 | 42097 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.42 | 1.5 | 74.1 | 0.241 | 0.241 | 0.293 | 0.112 | 3 | 6.6 | ||||||||||
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 | 4HT0 | 1.42 | 39.86 | 42082 | 4219 | 92.43 | 0.1611 | 0.1583 | 0.16 | 0.1857 | 0.19 | RANDOM | 16.7794 | ||||
| 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] | |
| -0.01 | 0.22 | -0.12 | 0.02 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.118 |
| r_dihedral_angle_4_deg | 18.978 |
| r_dihedral_angle_3_deg | 14.124 |
| r_dihedral_angle_1_deg | 7.079 |
| r_scbond_it | 2.664 |
| r_mcangle_it | 2.48 |
| r_angle_refined_deg | 1.992 |
| r_mcbond_it | 1.672 |
| r_chiral_restr | 0.137 |
| r_gen_planes_refined | 0.02 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2044 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 285 |
| Heterogen Atoms | 67 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
| SCALA | data scaling |
| MOLREP | phasing |
| Coot | model building |














