1CH8
STRUCTURE OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI COMPLEXED WITH A STRINGENT EFFECTOR, PPG2':3'P
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | SIEMENS |
Temperature [K] | 120 |
Detector technology | AREA DETECTOR |
Collection date | 1997-02 |
Detector | SIEMENS |
Spacegroup name | P 32 2 1 |
Unit cell lengths | 80.300, 80.300, 158.200 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 5.000 - 2.500 |
R-factor | 0.19 |
Rwork | 0.190 |
R-free | 0.25000 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1gim |
RMSD bond length | 0.016 |
RMSD bond angle | 1.610 |
Data reduction software | X-GEN |
Data scaling software | X-GEN |
Phasing software | X-PLOR |
Refinement software | X-PLOR (3.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.600 |
High resolution limit [Å] | 2.400 | 2.400 |
Rmerge | 0.092 | |
Total number of observations | 134672 * | |
Number of reflections | 23427 | |
Completeness [%] | 99.0 | 99 |
Redundancy | 2.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 6.5 | 16% PEG 8000, 100MM NA-CACODYLATE (PH 6.5) |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | HEPES | 30 (mM) | |
2 | 1 | drop | IMP | 4 (mM) | |
3 | 1 | drop | hadacidin | 4 (mM) | |
4 | 1 | drop | GDP | 4 (mM) | or 0 mM |
5 | 1 | drop | protain | 18 (mg/ml) | |
6 | 1 | reservoir | PEG8000 | 16 (%(w/v)) | |
7 | 1 | reservoir | sodium cacodylate | 100 (mM) | |
8 | 1 | reservoir | magnesium nitrate | 100 (mM) |