3QSK
5 Histidine Variant of the anti-RNase A VHH in Complex with RNAse A
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 22-BM |
| Synchrotron site | APS |
| Beamline | 22-BM |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2010-07-12 |
| Detector | MARMOSAIC 225 mm CCD |
| Wavelength(s) | 0.979 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 40.787, 54.680, 48.792 |
| Unit cell angles | 90.00, 109.24, 90.00 |
Refinement procedure
| Resolution | 20.000 - 1.750 |
| R-factor | 0.1869 |
| Rwork | 0.184 |
| R-free | 0.24591 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.022 |
| RMSD bond angle | 1.863 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.5.0102) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | |
| High resolution limit [Å] | 1.750 | 1.750 |
| Rmerge | 0.047 | |
| Number of reflections | 19462 | |
| Completeness [%] | 99.8 | 99.82 |
| Redundancy | 3.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 25% PEG 3.350, 0.2M lithium sulfate monohydrate, 0.1M bis-tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |






