7Y2Q
apo-Carbonic Anhydrase II soaked in 3NPA after UV at 200 K
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 293 | 1.3 M sodium citrate, 50 mM Tris-HCl |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.1 | 41.56 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 42.249 | α = 90 |
| b = 41.542 | β = 104.3 |
| c = 72.492 | 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 | 200 | CCD | RAYONIX MX225-HS | 2020-10-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PAL/PLS BEAMLINE 6D | 0.97934 | PAL/PLS | 6D |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim 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 | 1.35 | 30 | 95.7 | 0.039 | 0.045 | 0.023 | 0.997 | 32.9 | 3.9 | 51438 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.35 | 1.37 | 93 | 0.365 | 0.425 | 0.216 | 0.871 | 3.5 | 3.8 | ||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 6LUU | 1.35 | 29.16 | 48825 | 2590 | 95.67 | 0.11207 | 0.10973 | 0.15668 | RANDOM | 18.763 | ||||||
| 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 | -0.03 | -0.03 | 0.03 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_sphericity_free | 52.758 |
| r_dihedral_angle_2_deg | 34.509 |
| r_dihedral_angle_4_deg | 23.985 |
| r_sphericity_bonded | 15.673 |
| r_dihedral_angle_3_deg | 12.799 |
| r_long_range_B_refined | 7.16 |
| r_dihedral_angle_1_deg | 6.844 |
| r_long_range_B_other | 5.91 |
| r_rigid_bond_restr | 5.242 |
| r_scangle_other | 4.654 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2049 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 348 |
| Heterogen Atoms | 3 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| REFMAC | phasing |
