2XRS
Crystal structures exploring the origins of the broader specificity of escherichia coli heat-labile enterotoxin compared to cholera toxin
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU MICROMAX-007 HF |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Detector | RIGAKU RAXIS IV++ |
Spacegroup name | P 1 |
Unit cell lengths | 53.420, 61.060, 100.830 |
Unit cell angles | 94.57, 95.24, 114.10 |
Refinement procedure
Resolution | 13.990 - 1.810 |
R-factor | 0.19605 |
Rwork | 0.195 |
R-free | 0.21864 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1efi |
RMSD bond length | 0.013 |
RMSD bond angle | 1.275 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | MOLREP |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 14.000 | 1.900 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.080 | 0.480 |
Number of reflections | 92987 | |
<I/σ(I)> | 8.35 | 2.26 |
Completeness [%] | 87.3 | 67.1 |
Redundancy | 2.4 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 6.5 | 20% PEG 3350, 200 MM SODIUM CITRATE, 20% GLYCEROL, 100MM BIS-TRIS PROPANE (PH 6.5) |