4U2W
Atomic resolution crystal structure of HV-BBI protease inhibitor from amphibian skin in complex with bovine trypsin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (B) | Bowman-Birk trypsin inhibitor | polymer | 16 | 1835.3 | 1 | UniProt (B1VC43) Pfam (PF16048) | Odorrana versabilis | |
| 2 | B (A) | Cationic trypsin | polymer | 223 | 23324.3 | 1 | UniProt (P00760) Pfam (PF00089) | Bos taurus (Bovine) | Beta-trypsin |
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | E, F, G, H, I... (A) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 9 | Chemie (EDO) | |||
| 6 | N, O (B, A) | water | water | 18.0 | 349 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 25159.5 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 694.8 | |
| All* | Total formula weight | 25854.3 |
