4AO4
Structural Determinants of the beta-Selectivity of a Bacterial Aminotransferase
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.77 | 55.59 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 184.387 | α = 90 |
| b = 94.864 | β = 113.77 |
| c = 102.973 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 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 | MARRESEARCH SX-165 | 2009-10-30 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X13 | EMBL/DESY, HAMBURG | X13 | |
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 | 1.95 | 48.38 | 98.7 | 0.07 | 7.6 | 3 | 116568 | 17.6 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.95 | 2.06 | 99.6 | 0.24 | 3.3 | 3 | |||||||||||||
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.95 | 47.43 | 110560 | 5790 | 98.43 | 0.18498 | 0.18333 | 0.21631 | RANDOM | 19.707 | |||||||
| 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] | |
| -0.68 | 0.4 | -0.17 | 1.18 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.908 |
| r_dihedral_angle_4_deg | 16.699 |
| r_dihedral_angle_3_deg | 13.383 |
| r_dihedral_angle_1_deg | 6.066 |
| r_scangle_it | 4.109 |
| r_scbond_it | 2.55 |
| r_mcangle_it | 1.381 |
| r_mcbond_it | 0.776 |
| r_chiral_restr | 0.104 |
| r_bond_refined_d | 0.018 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 9685 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 626 |
| Heterogen Atoms | 107 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| SCALA | data scaling |
