Crystal structure of PET-degrading cutinase Cut190 S176A/S226P/R228S mutant in Zn(2+)-bound state
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4WFJ | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 293 | 0.01 M ZnSO4, 0.1 M MES pH 6.5, 25% v/v PEG MME 550 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.15 | 42.91 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.196 | α = 90 |
| b = 63.243 | β = 90 |
| c = 78.675 | 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 MX225HE | 2016-10-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL38B1 | 0.8000 | SPring-8 | BL38B1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | 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 | 1.12 | 50 | 95.3 | 0.057 | 0.999 | 18.9 | 6.5 | 93489 | 7.55585109261 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.12 | 1.18 | 75.1 | 0.282 | 0.908 | 4.1 | 3.5 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | FREE R-VALUE | 4WFJ | 1.12 | 42.3167097133 | 1.35011784998 | 93488 | 4688 | 95.3239390664 | 0.121787925587 | 0.120723929286 | 0.12 | 0.141836601104 | 0.14 | Random selection | 11.1557748294 | |||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 12.0570903882 |
| f_angle_d | 1.27950165828 |
| f_chiral_restr | 0.0846484310707 |
| f_plane_restr | 0.00836946675578 |
| f_bond_d | 0.00703871777744 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2042 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 441 |
| Heterogen Atoms | 29 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |














