3C1F
Crystal structure of Staphylococcal nuclease variant Delta+PHS V104K at cryogenic temperature
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SEALED TUBE |
Source details | OTHER |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-06-20 |
Detector | BRUKER APEX II |
Wavelength(s) | 1.5418 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 31.079, 60.518, 38.220 |
Unit cell angles | 90.00, 93.06, 90.00 |
Refinement procedure
Resolution | 21.880 - 2.000 |
R-factor | 0.216 |
Rwork | 0.211 |
R-free | 0.26100 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1TQO.PDB where all waters removed all Bs=20.0 A^2 V104A and E92A |
RMSD bond length | 0.015 |
RMSD bond angle | 1.914 |
Data reduction software | SAINT |
Data scaling software | SAINT (V7.34A) |
Phasing software | PHASER |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 21.880 | 2.100 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.076 | 0.449 |
Number of reflections | 9646 | |
<I/σ(I)> | 19.51 | 2.8 |
Completeness [%] | 100.0 | 100 |
Redundancy | 13.42 | 6.29 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 277 | 40% MPD, 25 mM Potassium Phosphate, Calcium Chloride, pdTp, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |