3FA1
Crystal Structure of Tellurium Derivatized DNA
Experimental procedure
Experimental method | SAD |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X12C |
Synchrotron site | NSLS |
Beamline | X12C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2008-04-12 |
Detector | ADSC Q210 |
Wavelength(s) | 0.9795 |
Spacegroup name | P 43 21 2 |
Unit cell lengths | 42.695, 42.695, 24.213 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 18.890 - 1.500 |
R-factor | 0.1947 |
Rwork | 0.193 |
R-free | 0.21500 |
Starting model (for MR) | 1dns |
RMSD bond length | 0.003 |
RMSD bond angle | 0.694 |
Data reduction software | HKL-2000 |
Data scaling software | d*TREK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 18.890 | 18.890 | 1.550 |
High resolution limit [Å] | 1.500 | 3.230 | 1.500 |
Rmerge | 0.075 | 0.052 | 0.427 |
Total number of observations | 3558 | 1469 | |
Number of reflections | 3659 | ||
<I/σ(I)> | 14.9 | 54.2 | 2.4 |
Completeness [%] | 94.4 | 93.6 | 74.9 |
Redundancy | 8.63 | 8.37 | 5.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | MPD,sodium cacodylate,spermine tetra-HCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | MPD | ||
2 | 1 | 1 | Sodium cacodylate | ||
3 | 1 | Spermine tetra-HCl | |||
4 | 1 | 2 | MPD | ||
5 | 1 | 2 | Sodium cacodylate |