3HVR
Crystal structure of T. thermophilus Argonaute complexed with DNA guide strand and 19-nt RNA target strand with two Mg2+ at the cleavage site
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 24-ID-C |
Synchrotron site | APS |
Beamline | 24-ID-C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2009-03-17 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 0.979 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 111.252, 116.903, 170.504 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 37.680 - 3.211 |
R-factor | 0.229 |
Rwork | 0.226 |
R-free | 0.27300 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3hk2 |
RMSD bond length | 0.008 |
RMSD bond angle | 1.111 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 3.310 |
High resolution limit [Å] | 3.200 | 3.200 |
Rmerge | 0.120 | 0.412 |
Number of reflections | 34970 | |
<I/σ(I)> | 15 | 1.5 |
Completeness [%] | 95.2 | 88.9 |
Redundancy | 4.9 | 3.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 308 | 80 mM MgCl2, 1.0 M Na tartrate, 50 mM Tris.HCl pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 308 K |