3NHK
X-ray Crystallographic Structure Activity Relationship (SAR) of Casimiroin and its Analogs Bound to Human Quinone Reductase 2
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 | 2009-10-15 |
| Detector | MARMOSAIC 225 mm CCD |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 56.751, 83.661, 106.513 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 50.000 - 1.960 |
| R-factor | 0.1751 |
| Rwork | 0.172 |
| R-free | 0.22790 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.024 |
| RMSD bond angle | 1.904 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CCP4 |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 65.800 | 50.000 | 2.040 |
| High resolution limit [Å] | 1.960 | 4.240 | 1.960 |
| Rmerge | 0.126 | 0.053 | 0.374 |
| Number of reflections | 34689 | ||
| <I/σ(I)> | 5.9 | ||
| Completeness [%] | 93.9 | 99.5 | 72.9 |
| Redundancy | 5.9 | 7 | 3.1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | hanging drop | 6.7 | 298 | 1.339 M ammonium sulfate, 0.1 M Bis-Tris, 0.1 M NaCl, 5 mM DTT, 12 uM FAD, pH 6.7, hanging drop, temperature 298K |
