5DI4
Two divalent metal ions and conformational changes play roles in the hammerhead ribozyme cleavage reaction-WT ribozyme in Mn2+ at low pH
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-D |
Synchrotron site | APS |
Beamline | 21-ID-D |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2013-11-12 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.5011 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 80.169, 85.923, 104.258 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 28.215 - 2.948 |
R-factor | 0.2118 |
Rwork | 0.209 |
R-free | 0.23300 |
RMSD bond length | 0.001 |
RMSD bond angle | 0.388 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHENIX |
Refinement software | PHENIX (1.9_1692) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.990 |
High resolution limit [Å] | 2.940 | 2.940 |
Rmerge | 0.076 | |
Number of reflections | 14606 | |
<I/σ(I)> | 36.9 | 7.7 |
Completeness [%] | 99.8 | 100 |
Redundancy | 14.2 | 37.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | 33 % MPD, 0.4 M potassium chloride, 50 mM potassium acetate pH 5.0, 10 mM MgCl2 and 0.5mM spermine |