4JRQ
Crystal structure of E. coli Exonuclease I in complex with a 5cy-dA13 oligonucleotide
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 31-ID |
Synchrotron site | APS |
Beamline | 31-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-11-15 |
Detector | RAYONIX MX225HE |
Wavelength(s) | 0.97931 |
Spacegroup name | P 43 |
Unit cell lengths | 91.252, 91.252, 162.139 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.980 - 3.000 |
R-factor | 0.21967 |
Rwork | 0.218 |
R-free | 0.24466 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1fxx |
RMSD bond length | 0.004 |
RMSD bond angle | 0.741 |
Data reduction software | MOSFLM |
Data scaling software | XDS |
Phasing software | AMoRE |
Refinement software | REFMAC (5.7.0029) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 3.160 |
High resolution limit [Å] | 3.000 | 3.000 |
Rmerge | 0.650 | 0.766 |
Number of reflections | 25103 | |
<I/σ(I)> | 16.4 | 2.8 |
Completeness [%] | 99.5 | 100 |
Redundancy | 7.4 | 7.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | 5% 2-propanol, 25% glycerol, 1.2 M ammonium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |