1ENM
UDA TRISACCHARIDE COMPLEX. CRYSTAL STRUCTURE OF URTICA DIOICA AGGLUTININ, A SUPERANTIGEN PRESENTED BY MHC MOLECULES OF CLASS I AND CLASS II
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | LURE BEAMLINE DW32 |
Synchrotron site | LURE |
Beamline | DW32 |
Temperature [K] | 298 |
Detector technology | IMAGE PLATE |
Collection date | 1999-10-22 |
Detector | MARRESEARCH |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 38.780, 46.160, 57.250 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.000 - 1.900 |
R-factor | 0.206 |
Rwork | 0.201 |
R-free | 0.23900 * |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1eis |
RMSD bond length | 0.016 |
RMSD bond angle | 0.015 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.970 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.102 | 0.473 |
Number of reflections | 8283 * | |
<I/σ(I)> | 8.8 | |
Completeness [%] | 96.9 | 98 |
Redundancy | 3.9 | 3.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 290 | PEG 6000, sodium acetate, sodium chloride, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 290.0K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 10 (mg/ml) | |
2 | 1 | drop | trisaccharide | 9 (mM) | |
3 | 1 | reservoir | sodium acetate | 50 (mM) | |
4 | 1 | reservoir | sodium chloride | 0.1 (M) | |
5 | 1 | reservoir | PEG6000 | 6 (%) |