2VK7
THE STRUCTURE OF CLOSTRIDIUM PERFRINGENS NANI SIALIDASE AND ITS CATALYTIC INTERMEDIATES
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | EXO-ALPHA-SIALIDASE | polymer | 452 | 50405.9 | 2 | UniProt (Q59310) Pfam (PF13859) | CLOSTRIDIUM PERFRINGENS | SIALIDASE |
| 2 | C, E, G, H (A, B) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 3 | D, F (A, B) | 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid | non-polymer | 327.3 | 2 | Chemie (FSI) | |||
| 4 | I, J (A, B) | water | water | 18.0 | 1661 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 100811.7 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 814.8 | |
| All* | Total formula weight | 101626.5 |
