2HD4
Crystal structure of proteinase K inhibited by a lactoferrin octapeptide Gly-Asp-Glu-Gln-Gly-Glu-Asn-Lys at 2.15 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 (B) | 8-mer Peptide from Lactotransferrin | polymer | 8 | 876.8 | 1 | UniProt (Q8TCD2) UniProt (by SIFTS) (P02788) | ||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | ACETIC ACID | non-polymer | 60.1 | 1 | Chemie (ACY) | |||
| 5 | E, F (A, B) | water | water | 18.0 | 258 | Chemie (HOH) |
Sequence modifications
A: 1 - 279 (UniProt: P06873)
| PDB | External Database | Details |
|---|---|---|
| Asp 207 | Ser 312 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 29835.6 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 100.1 | |
| All* | Total formula weight | 29935.8 |
