1F7B
CRYSTAL STRUCTURE ANALYSIS OF N-ACETYLNEURAMINATE LYASE FROM HAEMOPHILUS INFLUENZAE: CRYSTAL FORM II IN COMPLEX WITH 4-OXO-SIALIC ACID
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | MACSCIENCE |
| Temperature [K] | 113 |
| Detector technology | IMAGE PLATE |
| Detector | RIGAKU RAXIS II |
| Spacegroup name | P 21 21 2 |
| Unit cell lengths | 65.625, 117.990, 80.896 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 15.000 - 1.800 |
| R-factor | 0.167 * |
| Rwork | 0.167 |
| R-free | 0.21000 |
| RMSD bond length | 0.009 |
| RMSD bond angle | 0.026 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | X-PLOR |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 15.000 | 1.860 |
| High resolution limit [Å] | 1.800 | 1.800 |
| Rmerge | 0.060 | 0.200 |
| Total number of observations | 231047 * | |
| Number of reflections | 52684 | |
| <I/σ(I)> | 21 | |
| Completeness [%] | 89.0 | 42.4 |
| Redundancy | 4.4 | 2.7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 * | 293 | PEG 4000, sodium acetate, ammonium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 6 (mg/ml) | |
| 2 | 1 | drop | Tris-HCl | 20 (mM) | |
| 3 | 1 | drop | 90 (mM) | ||
| 4 | 1 | reservoir | PEG4000 | 19 (%(w/v)) | |
| 5 | 1 | reservoir | 0.1 (M) | ||
| 6 | 1 | reservoir | 0.1 (M) |
