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 |