1K6U
Crystal Structure of Cyclic Bovine Pancreatic Trypsin Inhibitor
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | PANCREATIC TRYPSIN INHIBITOR | polymer | 58 | 6481.5 | 1 | UniProt (P00974) Pfam (PF00014) In PDB | BPTI | |
| 2 | A | SULFATE ION | non-polymer | 96.1 | 7 | Chemie (SO4) | |||
| 3 | A | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 4 | water | water | 18.0 | 143 | Chemie (HOH) |
Sequence modifications
A: 1 - 58 (UniProt: P00974)
| PDB | External Database | Details |
|---|---|---|
| Ala 11 | Thr 46 | engineered mutation |
| Ala 13 | Pro 48 | engineered mutation |
| Arg 15 | Lys 50 | engineered mutation |
| Leu 52 | Met 87 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 6481.5 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 796.6 | |
| All* | Total formula weight | 7278.1 |
