Crystal structure of the ligand-binding domain of a putative GntR-family transcriptional regulator from Bordetella bronchiseptica
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 273 | 0.1M Bis-tris pH 7.0, 1M Tri-ammonium citrate pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 273K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.77 | 55.6 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 58.196 | α = 82.36 |
| b = 58.071 | β = 86.52 |
| c = 65.58 | γ = 68.31 |
| Symmetry | |
|---|---|
| Space Group | P 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 | APS-1 | Mirrors | 2008-02-23 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.97934 | APS | 19-BM |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 50 | 97.6 | 0.122 | 0.122 | 18.387 | 4.1 | 52604 | 52604 | -3 | 34 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2 | 2.03 | 95.8 | 0.382 | 0.382 | 3 | 3 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | 2 | 29.91 | 51591 | 51591 | 2614 | 0.167 | 0.167 | 0.164 | 0.31 | 0.217 | 0.06 | RANDOM | 16.59 | ||||
| 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] | |
| 1.2 | 0.56 | -0.84 | -1.91 | 0.53 | 0.26 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 30.955 |
| r_dihedral_angle_4_deg | 18.243 |
| r_dihedral_angle_3_deg | 14.767 |
| r_dihedral_angle_1_deg | 7.012 |
| r_scangle_it | 5.404 |
| r_scbond_it | 3.367 |
| r_mcangle_it | 2.102 |
| r_angle_refined_deg | 1.922 |
| r_angle_other_deg | 1.44 |
| r_mcbond_it | 1.162 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4999 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 395 |
| Heterogen Atoms | 57 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-3000 | data collection |
| HKL-2000 | data reduction |
| HKL-3000 | phasing |
| MLPHARE | phasing |
| DM | model building |
| SHELXD | phasing |
| ARP/wARP | model building |
| REFMAC | refinement |
| HKL-3000 | data reduction |
| HKL-2000 | data scaling |
| DM | phasing |














