5E7Z
3-deoxy-D-arabino-heptulosonate 7-phosphate synthase from Mycobacterium tuberculosis in complex with D/L-tryptophan and D-phenylalanine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3NV8 | PDB entry 3NV8 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | CRYSTALLIZATION CONDITIONS: 0.1 M TRIS-HCL, PH 7.5, 1.5M AMMONIUM SULFATE, 12% V/V GLYCEROL. CRYSTALS WERE SOAKED IN THE SAME SOLUTION WITH AN ADDITIONAL 10% V/V GLYCEROL AND 0.25 MILLIM D-PHENYLALANINE AND 2.5 MILLIM TRYPTOPHAN |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.05 | 69.61 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 206.357 | α = 90 |
| b = 206.357 | β = 90 |
| c = 66.941 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 32 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 | ADSC QUANTUM 315r | 2012-10-20 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 | 0.953700 | Australian Synchrotron | MX2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.33 | 47.55 | 100 | 4.2 | 12.3 | 71044 | |||||||||||||
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 3NV8 | 2.4 | 47.55 | 60738 | 3128 | 99.9 | 0.138 | 0.137 | 0.161 | RANDOM | 35.17 | ||||||
| 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] | |
| -0.02 | -0.02 | 0.04 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.909 |
| r_dihedral_angle_4_deg | 18.09 |
| r_dihedral_angle_3_deg | 15.159 |
| r_dihedral_angle_1_deg | 6.542 |
| r_angle_refined_deg | 2.006 |
| r_angle_other_deg | 1.21 |
| r_chiral_restr | 0.108 |
| r_bond_refined_d | 0.019 |
| r_gen_planes_refined | 0.011 |
| r_bond_other_d | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7030 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 131 |
| Heterogen Atoms | 112 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| Aimless | data scaling |
| MOLREP | phasing |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
