3ULN
X-ray Diffraction Studies of Ring Crystals obtained for d(CACGCG).d(CGCGTG): Stage (iii) Hexagonal plates with intense spots and a depression
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | BRUKER AXS MICROSTAR |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2009-01-09 |
Detector | MAR scanner 345 mm plate |
Wavelength(s) | 1.54 |
Spacegroup name | P 32 |
Unit cell lengths | 17.816, 17.816, 43.006 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 14.520 - 2.720 |
R-factor | 0.24724 |
Rwork | 0.245 |
R-free | 0.27738 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Z-type DNA tetranucleotide built using InsightII |
RMSD bond length | 0.014 |
RMSD bond angle | 2.562 |
Data reduction software | AUTOMAR |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 15.400 | 2.800 |
High resolution limit [Å] | 2.700 | 2.700 |
Rmerge | 0.077 | 0.458 |
Number of reflections | 426 | |
<I/σ(I)> | 4.3 | 1 |
Completeness [%] | 100.0 | 100 |
Redundancy | 8.71 | 8.27 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 1mM DNA, 75mM sodium cacodylate trihydrate buffer (pH 7.0), 0.5mM cobalt hexammine chloride, 0.75mM spermine, equilibrated against 50% methyl pentane diol (MPD), VAPOR DIFFUSION, HANGING DROP, temperature 293K |