6UW0
Engineered variant of I-OnuI meganuclease with improved thermostability and fully altered specificity targeting cholera toxin A subunit
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 5.0.1 |
Synchrotron site | ALS |
Beamline | 5.0.1 |
Temperature [K] | 108 |
Detector technology | PIXEL |
Collection date | 2019-06-20 |
Detector | DECTRIS PILATUS3 6M |
Wavelength(s) | 0.977 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 75.246, 79.679, 168.941 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 45.990 - 2.720 |
R-factor | 0.2276 |
Rwork | 0.223 |
R-free | 0.28090 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3qqy |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER (2.8.1) |
Refinement software | PHENIX (1.17_3644) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 2.800 |
High resolution limit [Å] | 2.700 | 5.810 | 2.700 |
Rmerge | 0.075 | 0.035 | 0.416 |
Rmeas | 0.078 | 0.037 | 0.439 |
Rpim | 0.023 | 0.011 | 0.138 |
Total number of observations | 315424 | ||
Number of reflections | 27693 | 3004 | 2493 |
<I/σ(I)> | 8.4 | ||
Completeness [%] | 98.7 | 100 | 90.5 |
Redundancy | 11.4 | 11.3 | 9.1 |
CC(1/2) | 1.000 | 0.965 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | 100mM HEPES pH 8.5, 200mM ammonium sulfate, 30% PEG 3350 |