Crystal Structure of Vibrio cholerae PilU, a PilT-dependent Retraction ATPase - Crystal Form 1.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6OJX | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 292 | Protein: 8.2mg/ml, 0.5 Sodium chloride, 0.1M Tris (pH 8.3); Screen: PACT (H5), 0.2M Sodium nitrate, 0.1M Bis Tris propane (pH 8.5), 20% (w/v) PEG 3350; Cryo: 0.2M Sodium nitrate, 0.1M Bis Tris propane pH 8.5, 20% (w/v) PEG 3350. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.5 | 51.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 108.311 | α = 90 |
| b = 133.732 | β = 90 |
| c = 181.795 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
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 9M | 2021-06-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 0.97887 | APS | 21-ID-D |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.95 | 30 | 99.3 | 0.149 | 0.149 | 0.156 | 0.044 | 0.998 | 15.8 | 11.9 | 56455 | -3 | 71.6 | ||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.95 | 3 | 100 | 0.436 | 0.578 | 1.6 | 12.2 | ||||||||||||
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.95 | 29.57 | 53063 | 2834 | 99.19 | 0.22514 | 0.22303 | 0.2217 | 0.26487 | 0.2605 | RANDOM | 90.894 | |||||
| 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] | |
| -1.95 | 3.5 | -1.55 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_long_range_B_refined | 8.453 |
| r_long_range_B_other | 8.453 |
| r_scangle_other | 5.664 |
| r_mcangle_it | 4.09 |
| r_mcangle_other | 4.09 |
| r_dihedral_angle_3_deg | 3.897 |
| r_scbond_it | 3.351 |
| r_scbond_other | 3.351 |
| r_mcbond_it | 2.472 |
| r_mcbond_other | 2.472 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 16537 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 86 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| PHASER | phasing |














