3EVQ
Crystal structure of Staphylococcal nuclease variant Delta+PHS L25E at cryogenic temperature
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SEALED TUBE |
Source details | OTHER |
Temperature [K] | 110 |
Detector technology | CCD |
Collection date | 2008-01-31 |
Detector | BRUKER APEX II |
Wavelength(s) | 1.5418 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 31.097, 60.458, 37.952 |
Unit cell angles | 90.00, 94.19, 90.00 |
Refinement procedure
Resolution | 32.080 - 2.000 |
R-factor | 0.208 |
Rwork | 0.202 |
R-free | 0.25800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3bdc |
RMSD bond length | 0.008 |
RMSD bond angle | 1.139 |
Data reduction software | SAINT |
Data scaling software | SAINT |
Phasing software | PHASER |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 60.460 | 2.200 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.048 | 0.301 |
Number of reflections | 9549 | |
<I/σ(I)> | 40.65 | 6.3 |
Completeness [%] | 100.0 | 100 |
Redundancy | 14.66 | 8.74 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 277 | 20% MPD, 25 mM Potassium Phosphate, Calcium Chloride, pdTp, Soaked in higher % MPD before freezing, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |