7Z7K
REP-related Chom18 variant with double AT base pairing
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | BESSY BEAMLINE 14.1 |
Synchrotron site | BESSY |
Beamline | 14.1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2021-07-22 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.9184 |
Spacegroup name | P 43 21 2 |
Unit cell lengths | 38.185, 38.185, 87.816 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 23.230 - 2.700 |
R-factor | 0.2712 |
Rwork | 0.261 |
R-free | 0.33610 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 6ros |
RMSD bond length | 0.011 |
RMSD bond angle | 1.425 |
Data reduction software | XDS (20210323) |
Data scaling software | Aimless (0.7.7) |
Phasing software | PHASER (2.8.3) |
Refinement software | PHENIX (1.19.2_4158) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 43.910 | 2.850 |
High resolution limit [Å] | 2.700 | 2.700 |
Rmerge | 0.085 | 1.939 |
Rmeas | 0.088 | 1.980 |
Rpim | 0.019 | 0.395 |
Number of reflections | 2062 | 280 |
<I/σ(I)> | 22.6 | 2.2 |
Completeness [%] | 100.0 | 100 |
Redundancy | 22.2 | 24.8 |
CC(1/2) | 0.999 | 0.678 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | Natrix crystallization screen (Hampton Research) precipitant 18-22% (+/-)-2-Methyl-2,4-pentanediol buffer 0.04 M Sodium cacodylate trihydrate salt 0.04 M Magnezium chloride hexahydrate 0.08 M Strontium chloride hexahydrate additive 0.012 M spermine tetrahydrochloride |