3SHL
Crystal structure of Staphylococcal nuclease variant Delta+PHS V74KL25A at cryogenic temperature
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X25 |
| Synchrotron site | NSLS |
| Beamline | X25 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2010-01-25 |
| Detector | ADSC QUANTUM 315 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 32.200, 60.449, 74.142 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 29.530 - 1.480 |
| R-factor | 0.1892 |
| Rwork | 0.186 |
| R-free | 0.21640 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3bdc |
| RMSD bond length | 0.013 |
| RMSD bond angle | 1.615 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER (2.2.1) |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 50.000 | 50.000 | 1.500 |
| High resolution limit [Å] | 1.470 | 3.990 | 1.470 |
| Rmerge | 0.059 | 0.039 | 0.374 |
| Number of reflections | 24862 | ||
| <I/σ(I)> | 15.4 | ||
| Completeness [%] | 99.0 | 92.4 | 99.4 |
| Redundancy | 13.3 | 11.7 | 13.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 277 | 30% MPD, 25 mM potassium phosphate, calcium chloride, pdTp, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
