| Num | Name | Picture | N. Sub | Total Length | Main function | Symmetry | Resolution | Date |
|---|---|---|---|---|---|---|---|---|
| 1 | 2kai_1 | ![]() |
3 | 290 | COMPLEX (PROTEINASE-INHIBITOR) | NPS | 2.5 | 1984-07-19 |
| 2 | 1ca0_1 | ![]() |
3 | 295 | COMPLEX (SERINE PROTEASE/INHIBITOR) | NPS | 2.1 | 1997-07-23 |
| 3 | 1cbw_1 | ![]() |
3 | 299 | COMPLEX (SERINE PROTEASE/INHIBITOR) | NPS | 2.5 | 1997-07-23 |