3G20
Crystal structure of the major pseudopilin from the type 2 secretion system of enterohaemorrhagic Escherichia coli
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) | Type II secretion protein | polymer | 123 | 13733.2 | 2 | UniProt (Q7BSV8) Pfam (PF08334) | Escherichia coli O157:H7 | Type II secretion pathway related protein |
| 2 | C, F (A, B) | 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID | non-polymer | 207.3 | 2 | Chemie (NHE) | |||
| 3 | D, G (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | E, H, I (A, B) | SODIUM ION | non-polymer | 23.0 | 3 | Chemie (NA) | |||
| 5 | J (B) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 6 | K, L (A, B) | water | water | 18.0 | 266 | Chemie (HOH) |
Sequence modifications
A, B: 17 - 136 (UniProt: Q7BSV8)
| PDB | External Database | Details |
|---|---|---|
| Gly 14 | - | expression tag |
| Ala 15 | - | expression tag |
| Met 16 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 27466.4 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 655.8 | |
| All* | Total formula weight | 28122.2 |
