1V9G
Neutron Crystallographic analysis of the Z-DNA hexamer CGCGCG
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | NUCLEAR REACTOR |
Source details | JRR-3M BEAMLINE 1G-A |
Synchrotron site | JRR-3M |
Beamline | 1G-A |
Temperature [K] | 298 |
Detector technology | DIFFRACTOMETER |
Collection date | 2003-06-10 |
Detector | BIX-3M |
Wavelength(s) | 2.88 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 18.460, 30.760, 43.180 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.050 - 1.800 |
R-factor | 0.229 |
Rwork | 0.222 |
R-free | 0.29400 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1iot |
RMSD bond length | 0.005 |
RMSD bond angle | 0.830 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.660 |
High resolution limit [Å] | 1.600 | 1.600 |
Rmerge | 0.127 | 0.208 |
Number of reflections | 2627 | |
<I/σ(I)> | 6.2 | 3.5 |
Completeness [%] | 73.7 | 40.9 |
Redundancy | 2 | 1.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | SMALL TUBES | 7 | 328 | MPD, sodium cacodylate, magnesium chloride, spermine, pH 7.0, SMALL TUBES, temperature 328K |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | MPD | ||
2 | 1 | 1 | sodium cacodylate | ||
3 | 1 | 1 | MgCl2 | ||
4 | 1 | 1 | spermine | ||
5 | 1 | 2 | MPD | ||
6 | 1 | 2 | sodium cacodylate | ||
7 | 1 | 2 | MgCl2 |