| Gene | Species | Gene Symbol | Gene Accession No. | Protein Accession No. |
|---|
| 5-HT3A | Human | HTR3A | NM_000869 | P46098 |
| Mouse | Htr3a | NM_013561 | P23979 | |
| Rat | Htr3a | NM_024394 | P35563 | |
| 5-HT3B | Human | HTR3B | NM_006028 | O95264 |
| Mouse | Htr3b | NM_020274 | Q9JHJ5 | |
| Rat | Htr3b | NM_022189 | Q9JJ16 | |
| 5-HT3C | Human | HTR3C | NM_130770 | Q8WXA8 |
| 5-HT3D | Human | HTR3D | NM_182537 | Q70Z44 |
| 5-HT3E | Human | HTR3E | NM_182589 | A5X5Y0 |