2GWE
Crystal structure of D(G4T4G4) with six quadruplexes in the asymmetric unit.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID29 |
Synchrotron site | ESRF |
Beamline | ID29 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-04-28 |
Detector | ADSC QUANTUM 210 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 47.645, 78.881, 97.011 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 8.000 - 2.200 |
R-factor | 0.229 |
R-free | 0.31800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | THE FIRST QUADRUPLEX OF NDB ENTRY CODE UD0014 OR PDB ENTRY CODE 1JRN WITH NOTHING ELSE. |
RMSD bond length | 0.003 |
RMSD bond angle | 0.018 |
Data reduction software | DENZO |
Phasing software | EPMR |
Refinement software | SHELXL-97 |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 17.000 | 2.280 |
High resolution limit [Å] | 2.200 | 2.200 |
Rmerge | 0.075 | 0.263 |
Number of reflections | 18290 | |
<I/σ(I)> | 15.46 | 5.4 |
Completeness [%] | 97.5 | 95.9 |
Redundancy | 4.95 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 7 | 285 | MAGNESIUM CHLORIDE, POTASSIUM CHLORIDE, SPERMINE TETRAHYDROCHLORIDE, DNA, BR-ACO-19, MPD, POTASSIUM CACODYLATE BUFFER, VAPOR DIFFUSION, HANGING DROP, temperature 285K, pH 7.00 |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | MAGNESIUM CHLORIDE | ||
10 | 1 | 2 | POTASSIUM CACODYLATE | ||
2 | 1 | 1 | POTASSIUM CHLORIDE | ||
3 | 1 | 1 | SPERMINE TETRAHYDROCHLORIDE | ||
4 | 1 | 1 | MPD | ||
5 | 1 | 1 | POTASSIUM CACODYLATE | ||
6 | 1 | 1 | H2O | ||
7 | 1 | 2 | MAGNESIUM CHLORIDE | ||
8 | 1 | 2 | POTASSIUM CHLORIDE | ||
9 | 1 | 2 | MPD |