Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | Xaa-Pro aminopeptidase | polymer | 440 | 49760.1 | 1 | UniProt (P15034) Pfam (PF05195) Pfam (PF00557)  | Escherichia coli | Aminopeptidase P, X-Pro aminopeptidase, Aminopeptidase P II, APP-II, Aminoacylproline aminopeptidase | 
| 2 | B, C (A)  | MANGANESE (II) ION | non-polymer | 54.9 | 2 | Chemie (MN) | |||
| 3 | D (A)  | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 4 | E (A)  | water | water | 18.0 | 607 | Chemie (HOH) | 
Sequence modifications
A: 1 - 440 (UniProt: P15034)
| PDB | External Database | Details | 
|---|---|---|
| Cso 249 | Cys 249 | modified residue | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 | 
| Total formula weight | 49760.1 | |
| Non-Polymers* | Number of molecules | 3 | 
| Total formula weight | 145.3 | |
| All* | Total formula weight | 49905.4 | 






