Input MCL group: MCL16146:
| Species | No. | Gene(s) |
| Homo sapiens | 0 | |
| Mus musculus | 0 | |
| Pediculus h. humanus | 1 | PHUM437880-PA |
| Pogonomyrmex barbatus | 1 | Pbar_XBP-1-1 |
| Linepithema humile | 1 | LH23031-RA |
| Apis mellifera | 1 | GB17511-PA |
| Nasonia vitripennis | 1 | NV13553-PA |
| Tribolium castaneum | 1 | TC012878 |
| Bombyx mori | 1 | BGIBMGA002915-PA |
| Danaus plexippus | 1 | DPGLEAN20020-PA |
| Anopheles gambiae | 1 | AGAP010623-PA |
| Aedes aegypti | 1 | AAEL005558-PA |
| Drosophila pseudobscura | 1 | PSEGA25098-PA |
| Drosophila melanogaster | 1 | Xbp1-PC |