5JOB
Crystal structure of Staphylococcal nuclease variant Delta+PHS L25K/I92A 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 | PIXEL |
Collection date | 2011-11-18 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 1.00 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 31.136, 60.500, 38.149 |
Unit cell angles | 90.00, 94.01, 90.00 |
Refinement procedure
Resolution | 38.060 - 1.450 |
R-factor | 0.1586 |
Rwork | 0.157 |
R-free | 0.18170 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3bdc |
RMSD bond length | 0.009 |
RMSD bond angle | 1.502 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER (2.5.7) |
Refinement software | REFMAC (5.8.0131) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.270 |
High resolution limit [Å] | 1.250 | 1.250 |
Rmerge | 0.048 | 0.342 |
Number of reflections | 25080 | |
<I/σ(I)> | 70.691 | 3.585 |
Completeness [%] | 98.5 | 84.6 |
Redundancy | 11.4 | 5.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 277 | 30% MPD, 25 mM potassium phosphate, calcium chloride, pdTp |