7VO7
Crystal structure of trypsin in complex with Lima bean trypsin inhibitor at 2.25A resolution.
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) | Cationic trypsin | polymer | 223 | 23324.3 | 2 | UniProt (P00760) Pfam (PF00089) | Bos taurus (cattle) | Beta-trypsin |
| 2 | C (C) | Bowman-Birk type proteinase inhibitor | polymer | 56 | 6157.1 | 1 | Pfam (PF00228) UniProt (by SIFTS) (Q05G17) | Phaseolus lunatus | |
| 3 | D, E, F, G, I... (A, B) | GLYCEROL | non-polymer | 92.1 | 6 | Chemie (GOL) | |||
| 4 | H, K (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 5 | L, M (B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 6 | N (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 7 | O, P, Q (A, B, C) | water | water | 18.0 | 425 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 52805.7 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 726.6 | |
| All* | Total formula weight | 53532.3 |
