Three dimensional structure of human carbonic anhydrase XII in complex with sulfonamide
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 8CO3 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 294 | 0.25 M MgCl2, 0.1 M NaAce (pH 5.5), 15% PEG 4000,PROTEIN 10 MG/ML, 5-10 MM INHIBITOR (STOCK SOLUTION WAS DISSOLVED IN 100% DMSO) |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.07 | 40.6 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 46.591 | α = 81.54 |
| b = 67.125 | β = 84.3 |
| c = 80.46 | γ = 86.47 |
| Symmetry | |
|---|---|
| Space Group | P 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 | 2024-12-18 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | 0.918400 | BESSY | 14.1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.19 | 47.64 | 95.2 | 0.037 | 18.3 | 3.6 | 292651 | 7.632 | |||||||||||
| 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 | 1.19 | 1.21 | 92.4 | 0.257 | 4.6 | 3.5 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.19 | 47.64 | 278015 | 14632 | 95.18 | 0.16716 | 0.16572 | 0.1758 | 0.19404 | 0.2022 | RANDOM | 18.596 | |||||
| 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] | |
| -0.87 | -1.09 | 0.96 | 0.65 | 0.16 | 0.28 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_rigid_bond_restr | 35.506 |
| r_mcangle_it | 25.131 |
| r_mcangle_other | 25.129 |
| r_mcbond_it | 22.498 |
| r_mcbond_other | 22.497 |
| r_long_range_B_other | 21.052 |
| r_long_range_B_refined | 20.867 |
| r_scangle_other | 18.911 |
| r_scbond_it | 14.454 |
| r_scbond_other | 14.452 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 8330 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 886 |
| Heterogen Atoms | 128 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| Aimless | data scaling |
