1H4W
Structure of human trypsin IV (brain trypsin)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | TRYPSIN IVA | polymer | 224 | 24301.5 | 1 | UniProt (P35030) Pfam (PF00089) | HOMO SAPIENS (HUMAN) | |
| 2 | B (A) | BENZAMIDINE | non-polymer | 120.2 | 1 | Chemie (BEN) | |||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | water | water | 18.0 | 125 | Chemie (HOH) |
Sequence modifications
A: 16 - 246 (UniProt: P35030)
| PDB | External Database | Details |
|---|---|---|
| Val 86 | Ala 148 | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 24301.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 160.2 | |
| All* | Total formula weight | 24461.7 |
