1A0J
CRYSTAL STRUCTURE OF A NON-PSYCHROPHILIC TRYPSIN FROM A COLD-ADAPTED FISH SPECIES.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | TRYPSIN | polymer | 223 | 23803.7 | 4 | UniProt (P35033) Pfam (PF00089) | Salmo salar (Atlantic salmon) | |
| 2 | E (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | F, G, I, J, L... (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 10 | Chemie (SO4) | |||
| 4 | H, K, N, S (A, B, C, D) | BENZAMIDINE | non-polymer | 120.2 | 4 | Chemie (BEN) | |||
| 5 | T, U, V, W (A, B, C, D) | water | water | 18.0 | 379 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 95214.6 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 1481.3 | |
| All* | Total formula weight | 96696.0 |






