Crystal structure of branched-chain amino acid aminotransferase from burkholderia pseudomallei
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1WRV | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 9.5 | 293 | 20% PEG 8000, 100MM CHES, PROTEIN CONCENTRATION 23.1 MG/ML, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K, pH 9.50 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.49 | 50.51 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 106.97 | α = 90 |
| b = 139.27 | β = 90 |
| c = 290.86 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 21 |
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 | 2009-12-19 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 5.0.3 | 0.97650 | ALS | 5.0.3 |
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 | 1.9 | 20 | 99.8 | 0.076 | 126128 | -3 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1WRV | 1.9 | 20 | 126128 | 8508 | 99.69 | 0.1936 | 0.19173 | 0.2 | 0.22964 | 0.24 | RANDOM | 32.994 | ||||
| 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] | |
| -0.56 | 3.6 | -3.04 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.663 |
| r_dihedral_angle_4_deg | 15.722 |
| r_dihedral_angle_3_deg | 14.509 |
| r_dihedral_angle_1_deg | 6.56 |
| r_angle_refined_deg | 1.762 |
| r_angle_other_deg | 0.999 |
| r_chiral_restr | 0.099 |
| r_bond_refined_d | 0.015 |
| r_gen_planes_refined | 0.007 |
| r_bond_other_d | 0.001 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 13866 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 672 |
| Heterogen Atoms | 54 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| BOS | data collection |
| PHASER | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
