3UOU
Crystal structure of the Kunitz-type protease inhibitor ShPI-1 Lys13Leu mutant in complex with pancreatic elastase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Chymotrypsin-like elastase family member 1 | polymer | 240 | 25929.0 | 1 | UniProt (P00772) Pfam (PF00089) In PDB | Sus scrofa (pigs swine wild boar) | Elastase-1 |
| 2 | B | Kunitz-type proteinase inhibitor SHPI-1 | polymer | 55 | 6109.0 | 1 | UniProt (P31713) Pfam (PF00014) In PDB | Stichodactyla helianthus (Carribean sea anemone) | |
| 3 | A, B | SULFATE ION | non-polymer | 96.1 | 8 | Chemie (SO4) | |||
| 4 | A, B | GLYCEROL | non-polymer | 92.1 | 7 | Chemie (GOL) | |||
| 5 | water | water | 18.0 | 206 | Chemie (HOH) |
Sequence modifications
B: 1 - 55 (UniProt: P31713)
| PDB | External Database | Details |
|---|---|---|
| Leu 13 | Lys 13 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 32038.0 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 1413.2 | |
| All* | Total formula weight | 33451.1 |
