Crystal structure of a novel PET hydrolase R103G/S131A mutant in complex with pNP from Ideonella sakaiensis 201-F6
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4WFI | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | Ammonium Sulfate, NaCl, HEPES |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.02 | 39.02 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.784 | α = 90 |
| b = 51.532 | β = 90 |
| c = 84.373 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | RAYONIX MX300-HS | 2017-04-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSRRC BEAMLINE TPS 05A | 0.9998 | NSRRC | TPS 05A |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.2 | 25 | 99.8 | 0.05 | 0.053 | 0.019 | 10 | 8 | 69716 | ||||||||||
| 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 | 1.2 | 1.24 | 98.9 | 0.212 | 0.228 | 0.081 | 0.982 | 7.6 | |||||||||||
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 | 4WFI | 1.2 | 25 | 66256 | 3391 | 99.59 | 0.0997 | 0.0984 | 0.11 | 0.1246 | 0.13 | RANDOM | 10.757 | ||||
| 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] | |
| -0.3 | 0.29 | 0.01 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.729 |
| r_sphericity_free | 26.525 |
| r_dihedral_angle_4_deg | 17.151 |
| r_dihedral_angle_3_deg | 10.441 |
| r_sphericity_bonded | 9.793 |
| r_rigid_bond_restr | 7.103 |
| r_dihedral_angle_1_deg | 6.596 |
| r_angle_refined_deg | 1.489 |
| r_angle_other_deg | 0.821 |
| r_chiral_restr | 0.106 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1912 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 365 |
| Heterogen Atoms | 30 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data reduction |
| PHASER | phasing |
| HKL | data scaling |














