1YLD
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) | |
| 2 | B (B) | Pancreatic trypsin inhibitor | polymer | 56 | 6339.2 | 1 | UniProt (P00974) Pfam (PF00014) | 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 - 238 (UniProt: P00763)
B: 1 - 56 (UniProt: P00974)
| PDB | External Database | Details |
|---|---|---|
| Ala 195 | Ser 200 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Aba 5 | Cys 40 | engineered mutation |
| Pro 26 | Lys 61 | engineered mutation |
| Asp 27 | Ala 62 | engineered mutation |
| Aba 30 | Cys 65 | engineered mutation |
| Aba 51 | Cys 86 | engineered mutation |
| Aba 55 | Cys 90 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 30138.1 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 232.2 | |
| All* | Total formula weight | 30370.3 |
