3E1Z
Crystal structure of the parasite protesase inhibitor chagasin in complex with papain
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Chagasin | polymer | 110 | 12054.5 | 1 | UniProt (Q966X9) Pfam (PF09394) In PDB | Trypanosoma cruzi | cysteine protease inhibitor |
| 2 | B | Papain | polymer | 212 | 23452.3 | 1 | UniProt (P00784) Pfam (PF00112) In PDB | Carica papaya (Papaya) | cysteine protease, Papaya proteinase I, PPI |
| 3 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | A, B | FORMIC ACID | non-polymer | 46.0 | 10 | Chemie (FMT) | |||
| 5 | B | ACETIC ACID | non-polymer | 60.1 | 1 | Chemie (ACY) | |||
| 6 | water | water | 18.0 | 298 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 35506.8 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 585.7 | |
| All* | Total formula weight | 36092.5 |
