| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Brs3 | — | 7tm_1, 7TM_GPCR_Srsx, 7TM_GPCR_Srv, 7TM_GPCR_Srx, DUF3810, Gaa1, V1R | Signalling |
| Gpaa1 | — | DUF4530, Gaa1 | — |
| Grm2 | — | 7tm_3, ANF_receptor, Gaa1, NCD3G | Signalling |
| Olfr455 | — | 7tm_1, 7tm_4, 7TM_GPCR_Srbc, Gaa1 | Signalling |
| Sft2d2 | — | DUF3566, DUF4064, DUF5423, DUF6637, Gaa1, Got1, TMEM43 | — |