1UOS
The Crystal Structure of the Snake Venom Toxin Convulxin
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ESRF BEAMLINE ID14-2 |
| Synchrotron site | ESRF |
| Beamline | ID14-2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2002-11-15 |
| Detector | ADSC CCD |
| Spacegroup name | I 4 |
| Unit cell lengths | 132.458, 132.458, 112.959 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 20.000 - 2.700 |
| R-factor | 0.235 |
| Rwork | 0.235 |
| R-free | 0.24500 * |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1bj3 |
| RMSD bond length | 0.010 |
| RMSD bond angle | 24.100 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS (1.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 2.800 |
| High resolution limit [Å] | 2.700 | 2.700 |
| Rmerge | 0.205 | 0.484 |
| Total number of observations | 154959 * | |
| Number of reflections | 27008 | |
| <I/σ(I)> | 10.2 | 2.7 |
| Completeness [%] | 99.9 | 99.9 |
| Redundancy | 5.7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, sitting drop * | 8 * | 277 * | 100MM NA-ACETATE PH 4.0, 25% 1,4-BUTANEDIOL |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 1 (mg/ml) | |
| 2 | 1 | drop | Tris-HCl | 10 (mM) | pH8.0 |
| 3 | 1 | drop | 10 (mM) | ||
| 4 | 1 | reservoir | sodium acetate | 100 (mM) | pH4.0 |
| 5 | 1 | reservoir | 1,4-butanediol | 20-30 (%) |
