8KAG
Crystal structure of SpyCas9 in complex with sgRNA and target RNA
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRF BEAMLINE BL18U1 |
| Synchrotron site | SSRF |
| Beamline | BL18U1 |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2023-07-06 |
| Detector | DECTRIS PILATUS 6M |
| Wavelength(s) | 0.97853 |
| Spacegroup name | P 31 2 1 |
| Unit cell lengths | 185.681, 185.681, 137.162 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 49.920 - 3.880 |
| R-factor | 0.3036 |
| Rwork | 0.303 |
| R-free | 0.32020 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.019 |
| Data reduction software | HKL-3000 (7.21) |
| Data scaling software | HKL-3000 (7.21) |
| Phasing software | PHENIX (1.17.1_360) |
| Refinement software | PHENIX (1.20.1_4487) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 3.950 |
| High resolution limit [Å] | 3.880 | 3.880 |
| Rpim | 0.100 | 0.374 |
| Number of reflections | 27876 | 1267 |
| <I/σ(I)> | 5.33 | |
| Completeness [%] | 99.8 | 99.3 |
| Redundancy | 6.9 | 5.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 289 | 1.7 M Ammonium citrate tribasic, 0.1 M HEPES pH 7.0 |






