Crystal structure of the PapE (N-terminal-deleted) pilus subunit bound to a peptide corresponding to the N-terminal extension of the PapK pilus subunit (residues 1-11) from uropathogenic E. coli
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION | 8.5 | 294 | 100 mM Tris pH 8.5, 200 mM NaCl, 27-32% PEG 4000, 1 mM beta-mercaptoethanol, VAPOR DIFFUSION, temperature 294K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.75 | 29.19 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 25.254 | α = 90 |
| b = 91.922 | β = 99.26 |
| c = 51.244 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 98 | M | SINGLE WAVELENGTH | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | APS | 19-ID | |
Data Collection
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 (All) | 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 | SAD | THROUGHOUT | 1.87 | 26.21 | 18937 | 1109 | 99 | 0.211 | 0.208 | 0.208 | 0.2154 | 0.249 | 0.2548 | RANDOM | 19.9 | ||||
| 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] | |
| 3.26 | -1.47 | -4.5 | 1.24 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 26.9 |
| c_scangle_it | 3.84 |
| c_scbond_it | 2.57 |
| c_mcangle_it | 2.44 |
| c_mcbond_it | 1.57 |
| c_angle_deg | 1.2 |
| c_improper_angle_d | 0.66 |
| c_bond_d | 0.005 |
| c_bond_d_na | |
| c_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2255 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 140 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| SCALEPACK | data scaling |
| CNS | refinement |
| HKL-2000 | data reduction |
| CNS | phasing |
