3FP8
Anionic trypsin variant S195A in complex with bovine pancreatic trypsin inhibitor (BPTI) determined to the 1.46 A resolution limit
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (E) | Anionic trypsin-2 | polymer | 223 | 23798.8 | 1 | UniProt (P00763) Pfam (PF00089) | Rattus norvegicus (brown rat rat rats) | Anionic trypsin II, Pretrypsinogen II, Serine protease 2 |
| 2 | B (I) | Pancreatic trypsin inhibitor | polymer | 58 | 6527.6 | 1 | UniProt (P00974) Pfam (PF00014) | Bos taurus (BOVINE COW DOMESTIC CATTLE DOMESTIC COW) | Basic protease inhibitor, BPTI, BPI, Aprotinin |
| 3 | C, D, E, F, G... (E, I) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 6 | Chemie (EDO) | |||
| 4 | H (E) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 1 | Chemie (PG4) | |||
| 5 | I (E) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 6 | J, L, M, N (E, I) | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
| 7 | O, P (E, I) | water | water | 18.0 | 331 | Chemie (HOH) |
Sequence modifications
E: 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 | 30326.4 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 991.0 | |
| All* | Total formula weight | 31317.4 |
