1S5B
Cholera holotoxin with an A-subunit Y30S mutation Form 3
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ALS BEAMLINE 5.0.2 |
| Synchrotron site | ALS |
| Beamline | 5.0.2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2002-03-17 |
| Detector | ADSC QUANTUM 210 |
| Wavelength(s) | 0.9800 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 60.104, 107.431, 65.950 |
| Unit cell angles | 90.00, 91.29, 90.00 |
Refinement procedure
| Resolution | 20.020 - 2.130 |
| R-factor | 0.17988 |
| Rwork | 0.177 |
| R-free | 0.22425 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | PDB ENTRIES 1LTG 3chb |
| RMSD bond length | 0.012 |
| RMSD bond angle | 1.282 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.1.24) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.020 | 2.210 |
| High resolution limit [Å] | 2.130 | 2.130 |
| Number of reflections | 46304 | |
| <I/σ(I)> | 12.1 | 3.3 |
| Completeness [%] | 99.6 | 99.8 |
| Redundancy | 3.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 298 | PEG 2000mme, MES, kemptide, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
