1M8D
inducible nitric oxide synthase with Chlorzoxazone 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 | 1999-12-12 |
| Detector | MARRESEARCH |
| Wavelength(s) | 1.08 |
| Spacegroup name | P 61 2 2 |
| Unit cell lengths | 213.891, 213.891, 115.484 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 20.000 * - 2.350 |
| Rwork | 0.238 |
| R-free | 0.27400 * |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1df1 |
| RMSD bond length | 0.009 * |
| RMSD bond angle | 1.300 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 2.430 |
| High resolution limit [Å] | 2.350 | 2.350 |
| Rmerge | 0.058 | 0.366 |
| Total number of observations | 306715 * | |
| Number of reflections | 61961 | 5149 * |
| <I/σ(I)> | 24.8 | 2.5 |
| Completeness [%] | 95.6 | 80.8 |
| Redundancy | 4.96 | 2.7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion * | 7.6 * | 4 * | Lithium Sulfate, B-octyl-glucodise, MES buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 15 (mg/ml) | |
| 2 | 1 | drop | EPPS | 40 (mM) | pH7.6 |
| 3 | 1 | drop | dithiothreitol | 1 (mM) | |
| 4 | 1 | drop | BH4 | 0.002 (mM) | |
| 5 | 1 | reservoir | 20-30 (%) | ||
| 6 | 1 | reservoir | beta-octylglucoside | 5 (%) | |
| 7 | 1 | reservoir | MES | 50 (mM) | pH5.3 |
