6QJR
Crystal structure of a DNA dodecamer containing a tetramethylpyrrolinoxyl (nitroxide) spin label
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I04 |
Synchrotron site | Diamond |
Beamline | I04 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2017-09-16 |
Detector | DECTRIS PILATUS 6M-F |
Wavelength(s) | 0.915870 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 25.262, 41.209, 66.957 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 35.090 - 2.900 |
R-factor | 0.19145 |
Rwork | 0.188 |
R-free | 0.24350 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1d98 |
RMSD bond length | 0.008 |
RMSD bond angle | 1.156 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0238) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 35.090 | 3.100 |
High resolution limit [Å] | 2.900 | 2.900 |
Rmerge | 0.045 | 0.131 |
Number of reflections | 1731 | |
<I/σ(I)> | 10.3 | |
Completeness [%] | 99.0 | |
Redundancy | 3.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 295 | Potassium chloride (90 mM), magnesium chloride (20 mM), sodium cacodylate (40 mM, pH 6.0), MPD (45% v/v), spermine tetrahydrochloride (12 mM) |