8F20
Structure of an A-tract B-DNA Dodecamer: 5'-CGCAAAAAAGCG-3
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS-II BEAMLINE 17-ID-1 |
Synchrotron site | NSLS-II |
Beamline | 17-ID-1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2022-09-28 |
Detector | DECTRIS EIGER X 9M |
Wavelength(s) | 1 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 25.662, 41.610, 65.160 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.650 - 2.230 |
R-factor | 0.2551 |
Rwork | 0.252 |
R-free | 0.28540 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1bna |
RMSD bond length | 0.011 |
RMSD bond angle | 1.325 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | PHENIX (1.19.2_4158) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.650 | 2.310 |
High resolution limit [Å] | 2.230 | 2.230 |
Number of reflections | 3703 | 374 |
<I/σ(I)> | 24.03 | |
Completeness [%] | 99.3 | |
Redundancy | 2 | |
CC(1/2) | 1.000 | 0.918 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 7 | 298 | MPD, SODIUM CACODYLATE TRIHYDRATE, SPERMINE TETRACHLORIDE, SODIUM CHLORIDE, MAGNESIUM HEXAHYDRATE |