| Num | Name | Picture | N. Sub | Total Length | Main function | Symmetry | Resolution | Date |
|---|---|---|---|---|---|---|---|---|
| 1 | 2qsp_1 | ![]() |
4 | TRANSPORT PROTEIN | D2 | 1.85 | 2008-09-02 | |
| 2 | 2qss_1 | ![]() |
4 | OXYGEN BINDING | D2 | 1.75 | 2008-09-02 | |
| 3 | 1hda_1 | ![]() |
4 | OXYGEN TRANSPORT | D2 | 2.2 | 1994-05-31 | |
| 4 | 1g08_1 | ![]() |
4 | OXYGEN STORAGE/TRANSPORT | D2 | 1.89 | 2000-12-27 |