| Num | Name | Picture | N. Sub | Total Length | Main function | Symmetry | Resolution | Date |
|---|---|---|---|---|---|---|---|---|
| 1 | 4hrt_2 | ![]() |
4 | 604 | oxygen transport | D2 | 1.45 | 2012-12-12 |
| 2 | 4hrt_1 | ![]() |
4 | 604 | oxygen transport | D2 | 1.45 | 2012-12-12 |
| 3 | 4hrr_2 | ![]() |
4 | 604 | oxygen transport | D2 | 1.24 | 2013-03-13 |
| 4 | 4hrr_1 | ![]() |
4 | 604 | oxygen transport | D2 | 1.24 | 2013-03-13 |