3M21
Crystal structure of DmpI from Helicobacter pylori Determined to 1.9 Angstroms resolution
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU200 |
| Temperature [K] | 108 |
| Detector technology | IMAGE PLATE |
| Collection date | 2000-08-10 |
| Detector | RIGAKU RAXIS IV |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 41 |
| Unit cell lengths | 53.040, 53.040, 130.877 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 30.000 - 1.900 |
| Rwork | 0.236 |
| R-free | 0.27700 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1bjp |
| RMSD bond length | 0.006 |
| RMSD bond angle | 0.983 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | CNS (1.1) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 30.000 | 30.000 | 1.920 |
| High resolution limit [Å] | 1.850 | 3.980 | 1.850 |
| Rmerge | 0.044 | 0.028 | 0.321 |
| Number of reflections | 27541 | ||
| <I/σ(I)> | 22.2 | ||
| Completeness [%] | 89.3 | 94.9 | 79.9 |
| Redundancy | 5.4 | 4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 277 | Crystals were grown using a well solution of 25% t-butanol, 0.1M Na Citrate, pH 5.5. Protein was 20 mg/ml in 50 mM NaH2PO4, pH 7.3. 5 microliters of well solution was mixed with 5 microliters of protein and vapor equilibrated using sitting drop, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
