Crystal structure of the deep-sea halophilic PET hydrolase dsPETase06 C23A mutant
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 298 | 0.2M Magnesium chloride hexahydrate; 0.1M Sodium HEPES pH 7.5; 30% PEG 400 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.39 | 63.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 77.315 | α = 90 |
| b = 77.315 | β = 90 |
| c = 116.3 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 61 |
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 EIGER2 X 16M | 2024-07-19 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSRRC BEAMLINE TPS 07A | 0.9762 | NSRRC | TPS 07A |
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 | 1.38 | 25 | 98.3 | 0.058 | 0.063 | 0.025 | 0.996 | 11 | 5.9 | 79329 | |||||||||
| 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 | 1.38 | 1.43 | 95.4 | 0.626 | 0.682 | 0.267 | 0.873 | 6.1 | |||||||||||
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 | 1.38 | 24.74 | 75309 | 3970 | 98.29 | 0.13241 | 0.13145 | 0.1316 | 0.15102 | 0.1513 | RANDOM | 19.271 | |||||
| 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] | |
| 0.33 | 0.17 | 0.33 | -1.08 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.576 |
| r_dihedral_angle_4_deg | 23.081 |
| r_dihedral_angle_3_deg | 10.498 |
| r_dihedral_angle_1_deg | 6.449 |
| r_long_range_B_refined | 5.527 |
| r_long_range_B_other | 5.178 |
| r_scangle_other | 4.335 |
| r_scbond_other | 2.936 |
| r_scbond_it | 2.935 |
| r_mcangle_other | 2.214 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1995 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 393 |
| Heterogen Atoms | 10 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data scaling |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data reduction |
| PHASER | phasing |














