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 |






