7JHA
Self-assembly of a 3D DNA crystal lattice (4x6 junction version) containing the J23 immobile Holliday junction
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ALS BEAMLINE 8.2.2 |
| Synchrotron site | ALS |
| Beamline | 8.2.2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2017-09-15 |
| Detector | ADSC QUANTUM 315r |
| Wavelength(s) | 0.98 |
| Spacegroup name | P 32 |
| Unit cell lengths | 68.625, 68.625, 55.959 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 34.312 - 3.107 |
| R-factor | 0.2156 |
| Rwork | 0.215 |
| R-free | 0.22600 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 6xna |
| RMSD bond length | 0.006 |
| RMSD bond angle | 0.798 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | PHASER |
| Refinement software | PHENIX (1.11.1_2575) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 50.000 | 50.000 | 3.150 |
| High resolution limit [Å] | 3.100 | 8.400 | 3.100 |
| Rmerge | 0.123 | 0.076 | 0.508 |
| Rmeas | 0.133 | 0.083 | 0.560 |
| Rpim | 0.050 | 0.031 | 0.229 |
| Number of reflections | 4641 | 273 | 150 |
| <I/σ(I)> | 5.5 | ||
| Completeness [%] | 86.8 | 99.3 | 56.6 |
| Redundancy | 6.3 | 7.3 | 4.7 |
| CC(1/2) | 1.000 | 0.996 | 0.908 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 298 | 0.5 mL of 0.05 M Cacodylate pH 6.0 with 200 mM MgCl2 and 2.5 M KCl was added to the reservoir with 2 uL added to the drop containing 4 uL of DNA stock |
