3Q4K
Structure of a small peptide ligand bound to E.coli DNA sliding clamp
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ESRF BEAMLINE ID14-4 |
| Synchrotron site | ESRF |
| Beamline | ID14-4 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2006-12-03 |
| Detector | ADSC QUANTUM 315 |
| Wavelength(s) | 0.9794 |
| Spacegroup name | P 1 |
| Unit cell lengths | 36.250, 80.000, 82.180 |
| Unit cell angles | 66.15, 74.94, 82.03 |
Refinement procedure
| Resolution | 19.920 - 2.600 |
| R-factor | 0.2315 |
| Rwork | 0.228 |
| R-free | 0.29360 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.010 |
| RMSD bond angle | 1.230 |
| Data reduction software | d*TREK |
| Data scaling software | d*TREK |
| Phasing software | MOLREP |
| Refinement software | BUSTER-TNT (BUSTER 2.8.0) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 19.920 | 19.920 | 2.690 |
| High resolution limit [Å] | 2.600 | 5.560 | 2.600 |
| Rmerge | 0.067 | 0.035 | 0.106 |
| Total number of observations | 4573 | 2827 | |
| Number of reflections | 22982 | ||
| <I/σ(I)> | 8.7 | 16.6 | 4 |
| Completeness [%] | 91.9 | 95.4 | 60.5 |
| Redundancy | 1.86 | 1.84 | 1.83 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION | 6 | 298 | 0.1 M MES PH 6.0, 0.1M CaCl2, 30% PEG 400 + 0.2% agarose in drop, temperature 298K, VAPOR DIFFUSION |
