2WSY
CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE
Experimental procedure
| Source type | SYNCHROTRON |
| Source details | EMBL/DESY, HAMBURG BEAMLINE BW7B |
| Synchrotron site | EMBL/DESY, HAMBURG |
| Beamline | BW7B |
| Temperature [K] | 277 |
| Detector technology | IMAGE PLATE |
| Collection date | 1995-11 |
| Detector | MARRESEARCH |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 185.100, 61.200, 67.600 |
| Unit cell angles | 90.00, 94.70, 90.00 |
Refinement procedure
| Resolution | 10.000 - 3.050 |
| R-factor | 0.197 |
| Rwork | 0.197 |
| R-free | 0.29900 |
| Structure solution method | ISOMORPHOUS WITH PDB ENTRY 1WSY. |
| Starting model (for MR) | 1WSY |
| RMSD bond length | 0.003 |
| RMSD bond angle | 0.900 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | X-PLOR (3.851) |
| Refinement software | X-PLOR (3.851) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 10.000 | |
| High resolution limit [Å] | 3.050 | 3.050 |
| Rmerge | 0.034 | 0.210 |
| Total number of observations | 28423 * | |
| Number of reflections | 13162 | |
| <I/σ(I)> | 20.2 | 4.2 |
| Completeness [%] | 90.9 | 89.8 |
| Redundancy | 2.1 | 2.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 7.8 | drop consists of equal volume of enzyme and reservoir solutions * |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | enzyme | 10 (mg/ml) | |
| 2 | 1 | drop | bicine | 50 (mM) | |
| 3 | 1 | drop | pyridoxal phosphate | 0.02 (M) | |
| 4 | 1 | reservoir | bicine | 50 (mM) | |
| 5 | 1 | reservoir | spermine | 1-2 (mM) | |
| 6 | 1 | reservoir | PEG8000 | 10 (%) |
