1YKT
Trypsin/Bpti complex mutant
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 II | polymer | 223 | 23798.8 | 1 | UniProt (P00763) Pfam (PF00089) | Rattus norvegicus (Norway rat) | Pretrypsinogen II |
| 2 | B (B) | Pancreatic trypsin inhibitor | polymer | 56 | 6399.4 | 1 | UniProt (P00974) Pfam (PF00014) | Bos taurus (cattle) | Basic protease inhibitor, BPI, BPTI, Aprotinin |
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D, E (B) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 5 | F, G (A, B) | water | water | 18.0 | 227 | Chemie (HOH) |
Sequence modifications
A: 16 - 245 (UniProt: P00763)
| PDB | External Database | Details |
|---|---|---|
| Ala 195 | Ser 200 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 30198.3 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 232.2 | |
| All* | Total formula weight | 30430.5 |
