3BSE
Crystal structure analysis of a 16-base-pair B-DNA
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | CHESS BEAMLINE A1 |
| Synchrotron site | CHESS |
| Beamline | A1 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2005-04-23 |
| Detector | ADSC QUANTUM 210 |
| Wavelength(s) | 0.99 |
| Spacegroup name | H 3 |
| Unit cell lengths | 38.740, 38.740, 161.327 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 8.000 - 1.600 |
| R-factor | 0.221 |
| R-free | 0.27400 |
| Structure solution method | SAD |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | SOLVE |
| Refinement software | CNS |
Data quality characteristics
| Overall | |
| Low resolution limit [Å] | 8.000 |
| High resolution limit [Å] | 1.600 |
| Number of reflections | 11667 |
| Completeness [%] | 98.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 277 | Hanging drop: 0.25mM DNA duplex, 5mM CaCl2, 0.2M KCl, 5% PEG10K, 5% MPD and 50mM Tris-HCl pH 8.0 Reservoir: 10% PEG10K, 10% MPD and 100mM Bicine pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | CaCl2 | ||
| 2 | 1 | 1 | KCl | ||
| 3 | 1 | 1 | PEG10K | ||
| 4 | 1 | 1 | MPD | ||
| 5 | 1 | 1 | Tris-HCl | ||
| 6 | 1 | 2 | PEG10K | ||
| 7 | 1 | 2 | MPD | ||
| 8 | 1 | 2 | Bicine |
