1A50
CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH 5-FLUOROINDOLE PROPANOL PHOSPHATE
Experimental procedure
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X12C |
Synchrotron site | NSLS |
Beamline | X12C |
Temperature [K] | 277 |
Detector technology | IMAGE PLATE AREA DETECTOR |
Collection date | 1995-11 |
Detector | MARRESEARCH |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 182.700, 60.700, 67.500 |
Unit cell angles | 90.00, 94.50, 90.00 |
Refinement procedure
Resolution | 10.000 - 2.300 |
R-factor | 0.164 * |
Rwork | 0.177 |
R-free | 0.22100 * |
Structure solution method | ISOMORPHOUS WITH PDB ENTRY 1WSY. |
Starting model (for MR) | 1WSY |
RMSD bond length | 0.006 |
RMSD bond angle | 1.300 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR |
Refinement software | X-PLOR |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 26.900 | 2.340 |
High resolution limit [Å] | 2.290 | 2.290 |
Rmerge | 0.060 | 0.210 |
Total number of observations | 66781 * | |
Number of reflections | 31823 | |
<I/σ(I)> | 13.4 | 6.4 |
Completeness [%] | 95.6 | 91.6 |
Redundancy | 2.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 7.8 | pH 7.8 |
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 (%) |