ATP Phosphoribosyltransferase from Mycobacterium tuberculosis in complex with the allosteric activator 3-(2-Thienyl)-L-alanine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1NH8 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 291.15 | 2.5 %(v/v) Isopropanol, 1.0 M Ammonium sulfate | |
| 2 | VAPOR DIFFUSION, SITTING DROP | 291.15 | 2.5 %(v/v) Isopropanol, 1.0 M Ammonium sulfate | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.78 | 55.69 |
| 2.78 | 55.69 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 117.512 | α = 90 |
| b = 117.512 | β = 90 |
| c = 127.356 | 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 PILATUS 6M-F | 2015-12-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.9282 | Diamond | I04 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.0609 | 47.2522 | 99.7 | 0.041 | 16.1 | 4.6 | 20991 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | FREE R-VALUE | 1NH8 | 2.0601 | 47.2522 | 1.34 | 20990 | 1016 | 99.57 | 0.1943 | 0.1926 | 0.19 | 0.2285 | 0.23 | |||||
| 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 | 14.539 |
| f_angle_d | 0.897 |
| f_chiral_restr | 0.057 |
| f_bond_d | 0.008 |
| f_plane_restr | 0.005 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2143 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 82 |
| Heterogen Atoms | 37 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| Aimless | data scaling |
| PHASER | phasing |














