| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Slc9a1 | — | Na_H_Exchanger, NEXCaM_BD, OprF | — |
| Slc9a2 | — | DUF5524, Na_H_Exchanger, NEXCaM_BD, Small_Trp_rich | — |
| Slc9a3 | — | Na_H_Exchanger, NEXCaM_BD | — |
| Slc9a4 | — | Na_H_Exchanger, NEXCaM_BD | — |
| Slc9a5 | — | Na_H_Exchanger, NEXCaM_BD, Oxidored_q2, PIG-H | — |