1P7V
Structure of a complex formed between Proteinase K and a designed heptapeptide inhibitor Pro-Ala-Pro-Phe-Ala-Ala-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 | proteinase K | polymer | 279 | 28958.8 | 1 | UniProt (P06873) Pfam (PF00082) In PDB | Engyodontium album | Tritirachium alkaline proteinase, Endopeptidase K |
| 2 | B | inhibitor peptide | polymer | 7 | 643.7 | 1 | |||
| 3 | A | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | A | NITRATE ION | non-polymer | 62.0 | 3 | Chemie (NO3) | |||
| 5 | water | water | 18.0 | 452 | 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 | 29602.5 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 266.2 | |
| All* | Total formula weight | 29868.7 |
