2ZJX
Bovine pancreatic trypsin inhibitor (BPTI) containing only the [5,55] disulfide bond
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Pancreatic trypsin inhibitor | polymer | 58 | 6367.2 | 2 | UniProt (P00974) Pfam (PF00014) | Bos taurus (bovine) | Basic protease inhibitor, BPTI, BPI, Aprotinin |
| 2 | C, D, E, F (A, B) | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
| 3 | G, H (A, B) | water | water | 18.0 | 139 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 58 (UniProt: P00974)
| PDB | External Database | Details |
|---|---|---|
| Gly 14 | Cys 49 | engineered mutation |
| Ala 30 | Cys 65 | engineered mutation |
| Ala 38 | Cys 73 | engineered mutation |
| Ala 51 | Cys 86 | engineered mutation |
| Leu 52 | Met 87 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 12734.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 384.3 | |
| All* | Total formula weight | 13118.7 |
