4ZQ3
Crystal structure of Staphylococcal nuclease variant Delta+PHS I92T at cryogenic temperature
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SEALED TUBE |
| Source details | OTHER |
| Temperature [K] | 110 |
| Detector technology | CCD |
| Collection date | 2014-04-16 |
| Detector | APEX II CCD |
| Wavelength(s) | 1.54 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 31.085, 60.217, 38.037 |
| Unit cell angles | 90.00, 93.03, 90.00 |
Refinement procedure
| Resolution | 32.130 - 1.900 |
| R-factor | 0.1897 |
| Rwork | 0.187 |
| R-free | 0.25350 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3bdc |
| RMSD bond length | 0.018 |
| RMSD bond angle | 1.806 |
| Data reduction software | XPREP |
| Data scaling software | SAINT |
| Phasing software | PHASER (2.5.1) |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.930 |
| High resolution limit [Å] | 1.900 | 1.900 |
| Rmerge | 0.029 | |
| Total number of observations | 117365 | |
| Number of reflections | 11102 | |
| <I/σ(I)> | 21.6 | 4.52 |
| Completeness [%] | 99.7 | 98.2 |
| Redundancy | 10.13 | 5.62 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 9 | 277 | 35% MPD, 25 mM potassium phosphate, calcium chloride, pdTp |
