1LTR
CRYSTAL STRUCTURE OF THE B SUBUNIT OF HUMAN HEAT-LABILE ENTEROTOXIN FROM E. COLI CARRYING A PEPTIDE WITH ANTI-HSV ACTIVITY
Experimental procedure
| Source type | SYNCHROTRON |
| Source details | ELETTRA BEAMLINE 5.2R |
| Synchrotron site | ELETTRA |
| Beamline | 5.2R |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE AREA DETECTOR |
| Collection date | 1998-02 |
| Detector | MARRESEARCH |
| Spacegroup name | P 41 21 2 |
| Unit cell lengths | 127.230, 127.230, 174.190 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 8.000 - 3.040 |
| R-factor | 0.183 * |
| Rwork | 0.183 |
| R-free | 0.21700 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1lts CHAINS D-H |
| RMSD bond length | 0.007 |
| RMSD bond angle | 18.000 * |
| Data reduction software | MOSFLM |
| Data scaling software | CCP4 ((SCALA)) |
| Phasing software | AMoRE |
| Refinement software | X-PLOR (3.84) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 23.200 * | 3.390 |
| High resolution limit [Å] | 3.000 * | 3.040 |
| Rmerge | 0.041 | 0.073 |
| Total number of observations | 97277 * | |
| Number of reflections | 27477 | |
| <I/σ(I)> | 11.8 | 0.1 |
| Completeness [%] | 97.5 | 95.6 |
| Redundancy | 3.5 | 3.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 6 | 4 * | pH 6 |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 7 (mg/ml) | |
| 2 | 1 | drop | lithium sulfate | 0.8 (M) | |
| 3 | 1 | drop | PEG8000 | 2 (%) | |
| 4 | 1 | reservoir | lithium sulfate | 0.8 (M) | |
| 5 | 1 | reservoir | PEG8000 | 2 (%) |
