1YT3
Crystal Structure of Escherichia coli RNase D, an exoribonuclease involved in structured RNA processing
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X12C |
Synchrotron site | NSLS |
Beamline | X12C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-06-07 |
Detector | CUSTOM-MADE |
Wavelength(s) | 0.97904 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 51.000, 80.100, 103.700 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 26.950 - 1.600 |
R-factor | 0.1961 |
Rwork | 0.196 |
R-free | 0.21600 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | A 1.9 A structure of RNase D obtained by MIR phasing using 5 Hg sites and one Zn site. |
RMSD bond length | 0.005 |
RMSD bond angle | 1.200 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 26.950 | 1.660 |
High resolution limit [Å] | 1.600 | 1.600 |
Rmerge | 0.044 | 0.240 |
Number of reflections | 55994 | |
<I/σ(I)> | 32.8 | 5.7 |
Completeness [%] | 97.8 | 86.6 |
Redundancy | 5.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | Ammonium Sulfate, Zinc Sulfate, HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |