| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Spis_XP_022785343_1 | — | CEMIP_beta-hel, IRC8_N | — |
| Spis_XP_022796239_1 | — | Colicin_im, IRC8_N, XK-related | — |
| Spis_XP_022798178_1 | — | BTB_2, DUF2614, DUF3185, Ion_trans, Ion_trans_2, IRC8_N, PKD_channel | Ion channels |
| Spis_XP_022801568_1 | 5-hydroxytryptamine (serotonin) receptor 1D | 7tm_1, 7TM_GPCR_Srsx, CTV_P6, DUF3377, DUF5408, IRC8_N | Signalling |
| Spis_XP_022804003_1 | 5 hydroxytryptamine (serotonin) receptor 4 | 7tm_1, 7TM_GPCR_Srsx, Insulin_TMD, IRC8_N, Lysis_col, UQCR11 | Signalling |