1WQY
X-RAY structural analysis of B-DNA decamer D(CCATTAATGG)2 crystal grown in D2O solution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL41XU |
Synchrotron site | SPring-8 |
Beamline | BL41XU |
Temperature [K] | 93 |
Detector technology | IMAGE PLATE |
Collection date | 2003-06-25 |
Wavelength(s) | 0.71 |
Spacegroup name | P 32 2 1 |
Unit cell lengths | 32.900, 32.900, 96.100 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 50.000 - 2.000 |
R-factor | 0.237 |
Rwork | 0.237 |
R-free | 0.28400 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 167d |
RMSD bond length | 0.007 |
RMSD bond angle | 1.200 |
Data reduction software | HKL-2000 |
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 | 0.025 | 0.108 |
Number of reflections | 8451 | |
Completeness [%] | 99.1 | 97.9 |
Redundancy | 9.27 | 5.25 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | BATCH (D2O) | 7 | 279 | 30% MPD, 0.1M MAGNESIUM CHLORIDE, 0.1M SODIUM CACODYLATE, 0.002M DNA, pD 6.6, pH 7.0, BATCH (D2O), temperature 279K |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | MPD | ||
2 | 1 | 1 | MgCl | ||
3 | 1 | 1 | SODIUM CACODYLATE | ||
4 | 1 | 1 | D2O | ||
5 | 1 | 2 | MPD | ||
6 | 1 | 2 | MgCl | ||
7 | 1 | 2 | D2O |