Crystal structure of M. tuberculosis KasA in complex with N-(1H-indazol-5-yl)butane-1-sulfonamide
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 298 | 16% w/v PEG3350, 0.2M sodium citrate, 1.5mM TCEP | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.69 | 54.29 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 75.314 | α = 90 |
| b = 75.314 | β = 90 |
| c = 149.23 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 |
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 PILATUS3 6M | 2015-01-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.917 | Diamond | I04-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.53 | 74.61 | 99.4 | 0.04 | 0.999 | 16.8 | 4.2 | 141366 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.53 | 2.38 | 0.389 | 0.882 | 2.8 | ||||||||||||||
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-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 1.533 | 65.224 | 141302 | 6954 | 99.422 | 0.123 | 0.1221 | 0.14 | 0.1357 | 0.15 | 21.026 | ||||||
| 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] | |
| 6.629 | 6.629 | -13.257 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 27.805 |
| r_dihedral_angle_4_deg | 13.993 |
| r_dihedral_angle_3_deg | 10.291 |
| r_dihedral_angle_1_deg | 6.186 |
| r_lrange_it | 4.326 |
| r_lrange_other | 3.988 |
| r_scangle_it | 1.649 |
| r_scangle_other | 1.649 |
| r_angle_other_deg | 1.285 |
| r_angle_refined_deg | 1.19 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6030 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 870 |
| Heterogen Atoms | 102 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| Aimless | data scaling |














