1BXT
STREPTOCOCCAL SUPERANTIGEN (SSA) FROM STREPTOCOCCUS PYOGENES
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X25 |
| Synchrotron site | NSLS |
| Beamline | X25 |
| Temperature [K] | 100 |
| Detector technology | AREA DETECTOR |
| Collection date | 1996-03-15 |
| Detector | MARRESEARCH |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 81.900, 84.550, 144.010 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 10.000 - 1.850 |
| R-factor | 0.237 |
| Rwork | 0.237 |
| R-free | 0.26300 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | SEC3 |
| RMSD bond length | 0.008 |
| RMSD bond angle | 1.676 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | X-PLOR (3.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 10.000 | 1.880 |
| High resolution limit [Å] | 1.850 | 1.850 |
| Rmerge | 0.083 | 0.319 * |
| Total number of observations | 150778 * | |
| Number of reflections | 35601 | |
| Completeness [%] | 83.0 | 79 |
| Redundancy | 4.2 | 4.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 6.5 | 4 * | pH 6.5 |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 10 (mg/ml) | |
| 2 | 1 | reservoir | sodium cacodylate | 100 (mM) | |
| 3 | 1 | reservoir | PEG8000 | 15-23 (%) | |
| 4 | 1 | reservoir | magnesium acetate | 50-200 (mM) |
