3CW7
Crystal Structure of an AlkA Host/Guest Complex 8oxoGuanine:Cytosine Base Pair
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 24-ID-C |
| Synchrotron site | APS |
| Beamline | 24-ID-C |
| Temperature [K] | 100 |
| Wavelength(s) | 0.979 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 75.522, 101.594, 103.279 |
| Unit cell angles | 90.00, 94.23, 90.00 |
Refinement procedure
| Resolution | 50.000 - 2.300 |
| Rwork | 0.218 |
| R-free | 0.26000 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Refinement software | CNS |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 50.000 | 50.000 | 2.380 |
| High resolution limit [Å] | 2.300 | 4.950 | 2.300 |
| Rmerge | 0.070 | 0.044 | 0.322 |
| Number of reflections | 64696 | ||
| <I/σ(I)> | 15.7 | ||
| Completeness [%] | 95.1 | 93 | 89.7 |
| Redundancy | 3.1 | 3.1 | 2.3 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | hanging drop vapor diffusion | 8 | 295 | PEG4000, NaCl, Na-HEPES, MgCl2, ethylene glycol, pH 8.0, hanging drop vapor diffusion, temperature 295K |
| 1 | hanging drop vapor diffusion | 8 | 295 | PEG4000, NaCl, Na-HEPES, MgCl2, ethylene glycol, pH 8.0, hanging drop vapor diffusion, temperature 295K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | PEG4000 | ||
| 10 | 1 | 2 | ethylene glycol | ||
| 2 | 1 | 1 | NaCl | ||
| 3 | 1 | 1 | Na-HEPES | ||
| 4 | 1 | 1 | MgCl2 | ||
| 5 | 1 | 1 | ethylene glycol | ||
| 6 | 1 | 2 | PEG4000 | ||
| 7 | 1 | 2 | NaCl | ||
| 8 | 1 | 2 | Na-HEPES | ||
| 9 | 1 | 2 | MgCl2 |
