4FOQ
Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with 2-aminoethanesulfonic acid
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU MICROMAX-007 HF |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2011-10-21 |
| Detector | RIGAKU SATURN 944 |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 76.226, 82.528, 116.462 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 20.181 - 1.990 |
| R-factor | 0.1815 |
| Rwork | 0.179 |
| R-free | 0.22420 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.007 |
| RMSD bond angle | 1.088 |
| 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] | 30.000 | 30.000 | 2.020 |
| High resolution limit [Å] | 1.990 | 5.390 | 1.990 |
| Rmerge | 0.082 | 0.040 | 0.295 |
| Number of reflections | 50480 | ||
| <I/σ(I)> | 14.5 | ||
| Completeness [%] | 98.7 | 92 | 99.5 |
| Redundancy | 4.7 | 4.8 | 4.1 |
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 |
