2W20
Structure of the catalytic domain of the native NanA sialidase from Streptococcus pneumoniae
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | SIALIDASE A | polymer | 471 | 52947.2 | 2 | UniProt (P62576) Pfam (PF02012) In PDB | STREPTOCOCCUS PNEUMONIAE | NEURAMINIDASE A, NANA SIALIDASE |
| 2 | A, B | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 2 | Chemie (MES) | |||
| 3 | A, B | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 4 | A, B | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 5 | water | water | 18.0 | 1025 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 105894.5 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 773.1 | |
| All* | Total formula weight | 106667.6 |
