| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Gja1 | — | Ammonium_transp, Connexin, Connexin40_C, Connexin43, DUF2681, Membra_charge, TEX29 | — |
| Gja5 | — | Connexin, Connexin40_C | — |
| Gja8 | — | Connexin, Connexin40_C, Connexin50 | — |
| Gjc1 | — | Connexin, Connexin40_C, DUF8031, DUF8466 | — |
| Nexn | — | Connexin40_C, ig, Ig_2, Ig_3, I-set | Adhesion |