| Homologue's PDBID | ChainID | BLAST Score | E value | %Identity | %Positive | %Gaps | Swapping status | Oligomeric Status |
| 2iwm | D | 652 | 0.0 | 93 | 93 | 2 | domain-swapped | TETRAMERIC |
| 2quy | H | 654 | 0.0 | 93 | 93 | 2 | domain-swapped | TETRAMERIC |
| 2z71 | C | 652 | 0.0 | 93 | 93 | 2 | domain-swapped | TETRAMERIC |
| 3pva | H | 658 | 0.0 | 93 | 93 | 2 | domain-swapped | TETRAMERIC |