1M9R
human endothelial nitric oxide synthase with 3-Bromo-7-Nitroindazole bound
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRL BEAMLINE BL7-1 |
| Synchrotron site | SSRL |
| Beamline | BL7-1 |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 2000-12-04 |
| Detector | MARRESEARCH |
| Wavelength(s) | 1.08 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 68.625, 90.280, 155.490 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 50.000 * - 2.550* |
| Rwork | 0.208 |
| R-free | 0.26500 * |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.009 * |
| RMSD bond angle | 23.200 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.640 |
| High resolution limit [Å] | 2.550 | 2.550 |
| Rmerge | 0.063 | 0.193 |
| Total number of observations | 127718 * | |
| Number of reflections | 30462 | 2989 * |
| <I/σ(I)> | 19.3 | 5.2 |
| Completeness [%] | 96.1 | 95.6 |
| Redundancy | 4.2 | 4.1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion * | 8 * | 298 | NaCl, MPD, PEG, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 20 (mg/ml) | |
| 2 | 1 | drop | Tris | 25 (mM) | pH8.0 |
| 3 | 1 | drop | 400 (mM) | ||
| 4 | 1 | drop | dithiothreitol | 4 (mM) | |
| 5 | 1 | drop | BH4 | 0.010 (mM) | |
| 6 | 1 | reservoir | 200-400 (mM) | ||
| 7 | 1 | reservoir | MPD | 13 (%) | or 2-propamol |
| 8 | 1 | reservoir | PEG3350 | 2-5 (%) |
