2GN1
Crystal structure of dimeric biodegradative threonine deaminase (TdcB) from Salmonella typhimurium at 2.2A resolution (Triclinic form with one dimer of TdcB in the asymmetric unit)
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU200 |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 2005-12-24 |
| Detector | MAR scanner 345 mm plate |
| Wavelength(s) | 1.542 |
| Spacegroup name | P 1 |
| Unit cell lengths | 46.317, 55.300, 67.235 |
| Unit cell angles | 103.09, 94.70, 112.94 |
Refinement procedure
| Resolution | 25.000 - 2.200 |
| R-factor | 0.21183 |
| Rwork | 0.210 |
| R-free | 0.25291 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | BIODEGRADATIVE THREONINE DEAMINASE FROM SALMONELLA TYPHIMURIUM (PDB CODE 1GN0) |
| RMSD bond length | 0.008 |
| RMSD bond angle | 1.025 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.2.0009) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 2.280 |
| High resolution limit [Å] | 2.200 | 2.200 |
| Rmerge | 0.053 | 0.222 |
| Number of reflections | 29556 | |
| <I/σ(I)> | 22.18 | 4.98 |
| Completeness [%] | 94.7 | 84.5 |
| Redundancy | 12.19 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 298 | 0.1 M citrate buffer pH 6.0, 20% PEG 3350 and 10% 2-propanol, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
