1HOP
STRUCTURE OF GUANINE NUCLEOTIDE (GPPCP) COMPLEX OF ADENYLOSUCCINATE SYNTHETASE FROM ESCHERICHIA COLI AT PH 6.5 AND 25 DEGREES CELSIUS
Experimental procedure
Source type | ROTATING ANODE |
Source details | SIEMENS |
Temperature [K] | 298 |
Detector technology | AREA DETECTOR |
Detector | SIEMENS |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 73.850, 94.060, 119.860 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 15.000 - 2.300 |
R-factor | 0.185 * |
Rwork | 0.190 |
R-free | 0.22700 |
RMSD bond length | 0.016 |
RMSD bond angle | 24.700 * |
Data reduction software | XENGEN |
Data scaling software | XENGEN |
Phasing software | X-PLOR (3.1) |
Refinement software | X-PLOR (3.1) |
Data quality characteristics
Overall | Outer shell | |
High resolution limit [Å] | 2.300 * | |
Rmerge | 0.082 | |
Total number of observations | 78880 * | |
Number of reflections | 37785 | |
Completeness [%] | 93.0 | 85 * |
Redundancy | 2.09 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 6.5 | NATIVE P212121 CRYSTALS WERE SOAKED WITH 5'-GUANOSYL-METHYLENE-TRIPHOSPHATE., 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) |