2YK7
Structure of Neisseria LOS-specific sialyltransferase (NST), in complex with CMP-3F-Neu5Ac.
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU MICROMAX-007 HF |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Detector | MAR scanner 345 mm plate |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 42.762, 101.413, 166.570 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 83.330 - 2.180 |
| R-factor | 0.20103 |
| Rwork | 0.198 |
| R-free | 0.25786 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2yk4 |
| RMSD bond length | 0.017 |
| RMSD bond angle | 1.765 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.5.0110) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 83.330 | 2.220 |
| High resolution limit [Å] | 2.180 | 2.180 |
| Rmerge | 0.010 | 0.050 |
| Number of reflections | 19377 | |
| <I/σ(I)> | 23.9 | 2.64 |
| Completeness [%] | 97.1 | 84.9 |
| Redundancy | 7.6 | 5.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION | 4.4 | PROTEIN WAS CRYSTALLIZED BY VAPOR DIFFUSION METHODS USING DROPS OF PROTEIN MIXED WITH AN EQUAL VOLUME OF PRECIPITANT: 180MM TRI-SODIUM CITRATE, 5 MM MNCL2, 20%(V/V) PEG 1500, PH 6.25 . |
