1P7W
Crystal structure of the complex of Proteinase K with a designed heptapeptide inhibitor Pro-Ala-Pro-Phe-Ala-Ser-Ala at atomic resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | proteinase K | polymer | 279 | 28958.8 | 1 | UniProt (P06873) | Engyodontium album | Tritirachium alkaline proteinase, Endopeptidase K |
| 2 | B (B) | inhibitor peptide | polymer | 7 | 659.7 | 1 | |||
| 3 | C, D (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | E, F, G, H, I (A) | NITRATE ION | non-polymer | 62.0 | 5 | Chemie (NO3) | |||
| 5 | J, K (A, B) | water | water | 18.0 | 432 | Chemie (HOH) |
Sequence modifications
A: 1 - 279 (UniProt: P06873)
| PDB | External Database | Details |
|---|---|---|
| Asp 207 | Ser 312 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 29618.5 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 390.2 | |
| All* | Total formula weight | 30008.7 |
