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STRUCTURE OF GUANINE NUCLEOTIDE (GPPCP) COMPLEX OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI AT PH 6.5 AND 25 DEGREES CELSIUS
Experimental procedure
| Temperature [K] | 298 |
| Detector technology | AREA DETECTOR |
| Collection date | 1993-12-19 |
| Detector | SIEMENS-NICOLET X100 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 72.600, 92.910, 119.000 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 5.000 - 2.300 |
| R-factor | 0.185 |
| Rwork | 0.185 |
| R-free | 0.21000 |
| RMSD bond length | 0.014 |
| RMSD bond angle | 24.200 * |
| Data reduction software | XENGEN |
| Data scaling software | XENGEN |
| Phasing software | X-PLOR (3.1) |
| Refinement software | X-PLOR (3.1) |
Data quality characteristics
| Overall | |
| Low resolution limit [Å] | 15.000 |
| High resolution limit [Å] | 2.300 |
| Rmerge | 0.089 |
| Total number of observations | 112059 * |
| Number of reflections | 36747 |
| Completeness [%] | 89.0 |
| Redundancy | 3.07 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 6.5 | SOAK OF THE NATIVE P 21 21 21 CRYSTAL WITH GPPNP., pH 6.5 |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | enzyme | 8 (mg/ml) | |
| 10 | 1 | reservoir | ammonium sulfate | 200 (mM) | |
| 2 | 1 | drop | imidazole | 20 (mM) | |
| 3 | 1 | drop | succinate | 75 (mM) | |
| 4 | 1 | drop | 2-mercaptoethanol | 0.07 (ml/L) | |
| 5 | 1 | drop | PEG3350 | 15 (%(w/w)) | |
| 6 | 1 | drop | acetic acid | 60 (mM) | |
| 7 | 1 | drop | ammonium sulfate | 120 (mM) | |
| 8 | 1 | reservoir | PEG3350 | 25 (%(w/w)) | |
| 9 | 1 | reservoir | acetic acid | 100 (mM) |
