4FPF
Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with 2-[(3-Chlorobenzyl)ammonio]ethanesulfonate
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU MICROMAX-007 HF |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2011-03-07 |
| Detector | RIGAKU SATURN 944 |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 76.376, 82.579, 116.688 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 25.877 - 2.230 |
| R-factor | 0.1762 |
| Rwork | 0.174 |
| R-free | 0.22500 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.007 |
| RMSD bond angle | 1.070 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER (2.1.4) |
| Refinement software | PHENIX (1.7.3_928) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 40.000 | 40.000 | 2.270 |
| High resolution limit [Å] | 2.230 | 6.050 | 2.230 |
| Rmerge | 0.104 | 0.056 | 0.298 |
| Number of reflections | 36722 | ||
| <I/σ(I)> | 11.7 | ||
| Completeness [%] | 99.7 | 97 | 99.1 |
| Redundancy | 4.6 | 4.6 | 3.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 298 | 7% PEG 8000, 0.1M IMIDAZOLE, pH 8.0, vapor diffusion, sitting drop, temperature 298K |
