2QUM
Crystal structure of D-tagatose 3-epimerase from Pseudomonas cichorii with D-tagatose
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | PHOTON FACTORY BEAMLINE BL-6A |
| Synchrotron site | Photon Factory |
| Beamline | BL-6A |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2007-01-28 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.978 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 49.414, 139.432, 92.860 |
| Unit cell angles | 90.00, 104.04, 90.00 |
Refinement procedure
| Resolution | 41.310 - 2.280 |
| R-factor | 0.185 |
| Rwork | 0.185 |
| R-free | 0.23900 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2ou4 |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.200 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | MOLREP |
| Refinement software | CNS (1.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.360 |
| High resolution limit [Å] | 2.280 | 2.280 |
| Rmerge | 0.099 | 0.290 |
| Number of reflections | 55980 | |
| <I/σ(I)> | 7.4 | 4.3 |
| Completeness [%] | 99.4 | 98.5 |
| Redundancy | 3.6 | 3.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 20% PEG 10000, 0.1M HEPES, 0.1M tri-sodium citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
