Crystal structure of acetyltransferase Eis from Mycobacterium tuberculosis in complex with inhibitor SGT543
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6X10 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 294 | 0.1 M Tris-HCl pH 8.5, 13% PEG 8000 and 0.4 M (NH4)2SO4; KAN (5 mM) and CoA (4 mM) in drop. Replace 0.4 M (NH4)2SO4; KAN (5 mM) and CoA (4 mM) with 0.5 mM inhibitor upon soaking. | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.98 | 69.08 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 175.027 | α = 90 |
| b = 175.027 | β = 90 |
| c = 124.131 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | H 3 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 16M | 2018-07-11 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.00 | APS | 22-ID |
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 | 1.9 | 50 | 98.7 | 0.1 | 0.99 | 24.3 | 7.5 | 56009 | |||||||||||
| 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 | 1.9 | 1.93 | 0.96 | 0.83 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | FREE R-VALUE | 6X10 | 1.904 | 37.435 | 55883 | 2762 | 98.133 | 0.175 | 0.1741 | 0.18 | 0.1997 | 0.21 | 29.297 | |||||
| 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] | |
| -1.259 | -0.63 | -1.259 | 4.085 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 26.147 |
| r_dihedral_angle_4_deg | 16.691 |
| r_dihedral_angle_3_deg | 13.562 |
| r_dihedral_angle_1_deg | 6.663 |
| r_lrange_it | 5.945 |
| r_lrange_other | 5.639 |
| r_scangle_it | 3.324 |
| r_scangle_other | 3.324 |
| r_mcangle_it | 2.571 |
| r_mcangle_other | 2.571 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3026 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 392 |
| Heterogen Atoms | 58 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| PHASER | phasing |














