1QEZ
SULFOLOBUS ACIDOCALDARIUS INORGANIC PYROPHOSPHATASE: AN ARCHAEL PYROPHOSPHATASE.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 294 |
Detector technology | IMAGE PLATE |
Collection date | 1997-02 |
Detector | RIGAKU RAXIS |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 70.120, 98.730, 107.250 |
Unit cell angles | 90.00, 78.01, 90.00 |
Refinement procedure
Resolution | 8.000 - 2.700 |
Rwork | 0.197 |
R-free | 0.23900 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2prd |
RMSD bond length | 0.007 |
RMSD bond angle | 27.700 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR |
Refinement software | X-PLOR (3.851) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.750 |
High resolution limit [Å] | 2.700 | 2.700 |
Rmerge | 0.091 * | 0.280 * |
Total number of observations | 256303 * | |
Number of reflections | 38004 | |
<I/σ(I)> | 10.1 | 1.8 |
Completeness [%] | 93.8 | 62.2 |
Redundancy | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion * | 8 | 26 * | protein solution is mixed 2:1 with well solution * |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 21-26 (mg/ml) | |
2 | 1 | reservoir | PEG8000 | 3.5-4.5 (%) | |
3 | 1 | reservoir | 0.2 (M) | ||
4 | 1 | reservoir | Tris-HCl | 0.1 (M) |