4PMC
Crystal structure of Staphylcoccal nuclease variant Delta+PHS I72K V74K at cryogenic temperature
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SEALED TUBE |
Source details | OTHER |
Temperature [K] | 110 |
Detector technology | CCD |
Collection date | 2014-04-28 |
Detector | APEX II CCD |
Wavelength(s) | 1.54 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 31.880, 59.889, 73.765 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 36.880 - 1.650 |
R-factor | 0.183 |
Rwork | 0.182 |
R-free | 0.21000 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3bdc |
RMSD bond length | 0.017 |
RMSD bond angle | 1.780 |
Data reduction software | SAINT |
Data scaling software | APEX |
Phasing software | PHASER |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.670 |
High resolution limit [Å] | 1.650 | 1.650 |
Rmerge | 0.018 | 0.292 |
Number of reflections | 17697 | |
<I/σ(I)> | 47.22 | 3.3 |
Completeness [%] | 99.9 | 98.6 |
Redundancy | 35.43 | 4.97 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 277 | 25% MPD, 25mM potassium phosphate, calcium chloride, pdTp |