1IL9
STRUCTURE OF RICIN A CHAIN BOUND WITH INHIBITOR 8-METHYL-9-OXOGUANINE
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU200 |
| Temperature [K] | 173 |
| Detector technology | IMAGE PLATE |
| Collection date | 2000-09-17 |
| Detector | RIGAKU RAXIS IV |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 43.040, 67.840, 49.680 |
| Unit cell angles | 90.00, 113.26, 90.00 |
Refinement procedure
| Resolution | 20.000 - 3.100 |
| R-factor | 0.247 * |
| Rwork | 0.247 |
| R-free | 0.30600 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1rtc |
| RMSD bond length | 0.004 |
| RMSD bond angle | 1.210 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | X-PLOR |
| Refinement software | X-PLOR (3.851) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 3.200 |
| High resolution limit [Å] | 3.100 | 3.100 |
| Rmerge | 0.103 | 0.159 |
| Total number of observations | 15067 * | |
| Number of reflections | 5350 | |
| <I/σ(I)> | 10.15 | |
| Completeness [%] | 95.6 | 95.4 |
| Redundancy | 2.82 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 8.9 | 4 * | Mlsna, D., (1993) Protein Sci., 2, 429. * |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 2.2-2.4 (mg/ml) | |
| 2 | 1 | reservoir | Tris-HCl | 75 (mM) | pH8.9 |
| 3 | 1 | reservoir | beta-mercaptoethanol | 10 (mM) | |
| 4 | 1 | reservoir | EDTA | 1 (mM) | |
| 5 | 1 | reservoir | PEG8000 | 4.1 (%) |
