2DQK
Crystal structure of the complex of proteinase K with a specific lactoferrin peptide Val-Leu-Leu-His at 1.93 A 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) Pfam (PF00082) | Engyodontium album | Tritirachium alkaline proteinase, Endopeptidase K |
| 2 | B (P) | VLLH | polymer | 4 | 481.6 | 1 | |||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | NITRATE ION | non-polymer | 62.0 | 1 | Chemie (NO3) | |||
| 5 | E, F (A, P) | water | water | 18.0 | 291 | 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 | 29440.4 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 102.1 | |
| All* | Total formula weight | 29542.5 |
