2AOS
Protein-protein Interactions of protective signalling factor: Crystal structure of ternary complex involving signalling protein from goat (SPG-40), tetrasaccharide and a tripeptide Trp-pro-Trp at 2.9 A resolution
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU300 |
| Temperature [K] | 298 |
| Detector technology | IMAGE PLATE |
| Collection date | 2005-08-01 |
| Detector | MARRESEARCH |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 62.871, 66.512, 107.623 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 56.000 - 2.900 |
| R-factor | 0.19462 |
| Rwork | 0.192 |
| R-free | 0.23866 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1ljy |
| RMSD bond length | 0.015 |
| RMSD bond angle | 2.090 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | REFMAC (5.0) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 56.000 | 3.120 |
| High resolution limit [Å] | 2.900 | 2.900 |
| Number of reflections | 10278 | |
| <I/σ(I)> | 7.1 | 2 |
| Completeness [%] | 96.8 | 98 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | 25 mM TRIS-HCL, 50 mM NACL, 19% ETHANOL, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
