Crystal Structure of TetR family regulator Rv0078 from Mycobacterium tuberculosis
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.4 | 293 | 0.1 M sodium cacodylate, pH 6.4, 1.3 M lithium sulfate |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.22 | 44.61 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 224.909 | α = 90 |
| b = 67.075 | β = 99.187 |
| c = 56.016 | 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 | RAYONIX MX225HE | 2015-07-21 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 31-ID | 0.97931 | APS | 31-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.85 | 111.01 | 96.5 | 0.051 | 0.031 | 0.999 | 16.9 | 3.7 | 67749 | 22.6440283861 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 1.85 | 1.95 | 95.1 | 0.421 | 0.261 | 0.88 | 3 | 3.5 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | SAD | FREE R-VALUE | 1.85000290276 | 36.3782148197 | 1.3378407559 | 67721 | 3427 | 96.1618198341 | 0.209026281237 | 0.207406524933 | 0.21 | 0.240324718465 | 0.24 | 27.6814423048 | |||||
| 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 |
| f_dihedral_angle_d | 17.9919534507 |
| f_angle_d | 0.671629458002 |
| f_chiral_restr | 0.0436333001873 |
| f_plane_restr | 0.00551263722445 |
| f_bond_d | 0.00509812546774 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5925 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 447 |
| Heterogen Atoms | 15 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| PHENIX | phasing |
| PHENIX | model building |
| iMOSFLM | data reduction |
| SCALA | data scaling |














