5CGK
Crystal structure of Staphylococcal nuclease variant Delta+PHS V66D/N100E at cryogenic temperature
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SEALED TUBE |
Source details | OTHER |
Temperature [K] | 110 |
Detector technology | CCD |
Collection date | 2015-06-17 |
Detector | APEX II CCD |
Wavelength(s) | 1.54 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 31.166, 60.032, 38.527 |
Unit cell angles | 90.00, 95.05, 90.00 |
Refinement procedure
Resolution | 32.360 - 1.850 |
R-factor | 0.2006 |
Rwork | 0.199 |
R-free | 0.23880 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3bdc |
RMSD bond length | 0.018 |
RMSD bond angle | 1.894 |
Data reduction software | SAINT |
Data scaling software | APEX (2013/1 for Windows) |
Phasing software | PHASER (2.5.2) |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.880 |
High resolution limit [Å] | 1.850 | 1.850 |
Rmerge | 0.030 | 0.204 |
Total number of observations | 157479 | |
Number of reflections | 12165 | |
<I/σ(I)> | 24.93 | 4.64 |
Completeness [%] | 100.0 | 100 |
Redundancy | 11.36 | 7.28 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 277 | 20% MPD, 25 mM potassium phosphate, calcium chloride, pdTp |