The virulence factor PEB4 and the periplasmic protein Cj1289 are two structurally-related SurA-like chaperones in the human pathogen Campylobacter jejuni
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 3.5 | 280 | 0.1M succinate, 40% v/v Jeffamine, pH 3.5, VAPOR DIFFUSION, SITTING DROP, temperature 280K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.94 | 68.8 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 81.353 | α = 90 |
| b = 91.595 | β = 102.27 |
| c = 61.553 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
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 | ADSC QUANTUM 315 | M | SINGLE WAVELENGTH | |||||||
| 2 | 1 | x-ray | 100 | M | MAD | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I02 | 0.9780 | Diamond | I02 |
| 2 | 0.9800, 0.9803, 0.9745 | ||||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (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 | 2.199 | 45.797 | 99.5 | 0.07 | 20.3 | 11.3 | 22275 | 22275 | 41.7 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 2.2 | 2.32 | 100 | 0.443 | 0.443 | 0.464 | 0.138 | 1.4 | 11.4 | 3238 | ||||||||||
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 | MAD | THROUGHOUT | 2.2 | 39.75 | 21134 | 1139 | 99.24 | 0.2362 | 0.2341 | 0.23 | 0.2763 | 0.27 | RANDOM | 50.5122 | |||||
| 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] | |
| 0.56 | 3.22 | 0.68 | 0.13 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 40.564 |
| r_dihedral_angle_4_deg | 29.585 |
| r_dihedral_angle_3_deg | 19.228 |
| r_scangle_it | 7.393 |
| r_dihedral_angle_1_deg | 7.044 |
| r_scbond_it | 4.758 |
| r_mcangle_it | 2.782 |
| r_mcbond_it | 1.557 |
| r_angle_refined_deg | 1.11 |
| r_chiral_restr | 0.091 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1905 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 144 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SCALA | data scaling |
| SOLVE | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |














