1W21
Structure of Neuraminidase from English duck subtype N6 complexed with 30 mM sialic acid (NANA, Neu5Ac), crystal soaked for 43 hours at 291 K.
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU200H |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 2004-05-08 |
| Detector | MAR scanner 345 mm plate |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 106.478, 73.995, 106.465 |
| Unit cell angles | 90.00, 90.50, 90.00 |
Refinement procedure
| Resolution | 30.430 - 2.080 |
| R-factor | 0.153 |
| Rwork | 0.150 |
| R-free | 0.19500 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1v0z |
| RMSD bond length | 0.022 |
| RMSD bond angle | 2.042 |
| Data reduction software | MOSFLM |
| Data scaling software | SCALA |
| Phasing software | CNS |
| Refinement software | REFMAC (5.1.24) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.430 | 2.190 |
| High resolution limit [Å] | 2.080 | 2.080 |
| Rmerge | 0.090 | 0.270 |
| Number of reflections | 98861 | |
| <I/σ(I)> | 7.9 | 2.7 |
| Completeness [%] | 98.2 | 92.3 |
| Redundancy | 2.2 | 2.1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | 7 | 293 | 0.15 M NACL, 20% PEG 3350 AT 293 K, pH 7.00 |
