1HAX
Snapshots of serine protease catalysis: (A) acyl-enzyme intermediate between porcine pancreatic elastase and human beta-casomorphin-7 at pH 5
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | BETA-CASOMORPHIN-7 | polymer | 4 | 456.5 | 1 | HOMO SAPIENS | BCM7 | |
| 2 | B (B) | ELASTASE 1 | polymer | 240 | 26014.1 | 1 | UniProt (P00772) Pfam (PF00089) | SUS SCROFA (PIG) | PPE |
| 3 | C (B) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (B) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | E (B) | water | water | 18.0 | 186 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 26470.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 136.1 | |
| All* | Total formula weight | 26606.8 |
