Structure of the Quorum Quenching lactonase from Parageobacillus caldoxylosilyticus bind to substrate C4-AHL
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6N9I | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 292 | Concentrated protein samples 10mg.mL-1, ammonium sulfate 1 to 2.25M, 0.1M sodium acetate. Soaking in 20 mM of 3-oxo-C12 AHL for 5 min. Diffraction quality crystals appeared after 1 d at 292 K. | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.84 | 67.99 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 108.02 | α = 90 |
| b = 108.02 | β = 90 |
| c = 222.14 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | H 3 |
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 EIGER X 16M | 2018-11-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 1.033200 | APS | 23-ID-B |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.35 | 19.74 | 98.9 | 12.41 | 7.35 | 39818 | |||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 2.35 | 2.45 | |||||||||||||||||
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 | 6N9I | 2.35 | 19.74 | 37826 | 1991 | 98.89 | 0.16846 | 0.16623 | 0.17 | 0.21093 | 0.21 | RANDOM | 44.767 | ||||
| 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 |
| r_dihedral_angle_2_deg | 32.317 |
| r_dihedral_angle_4_deg | 17.295 |
| r_dihedral_angle_3_deg | 14.069 |
| r_long_range_B_other | 9.851 |
| r_long_range_B_refined | 9.848 |
| r_scangle_other | 7.768 |
| r_dihedral_angle_1_deg | 5.568 |
| r_scbond_it | 5.503 |
| r_scbond_other | 5.491 |
| r_mcangle_other | 4.708 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4492 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 186 |
| Heterogen Atoms | 229 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| MOLREP | phasing |
