5-HT3 Receptor

**Semantic type:** Amino Acid, Peptide, or Protein|Receptor

**Definition:** A protein complex that plays a role in neurotransmitter-gated ion transport. It is a pentamer that binds serotonin and is comprised of either five 5-hydroxytryptamine receptor 3A subunits or a combination of four 5-hydroxytryptamine receptor 3A molecules with one of the alternative subunits, 5-hydroxytryptamine receptor 3B, 3C, 3D or 3E.

**Synonyms:** - 5-HT-3 Receptor - 5-HT-3R - 5-HT3R - 5-Hydroxytryptamine 3 Receptor - 5HT3 Receptor - 5HT3R - Serotonin 5-HT-3 Receptor - Serotonin Receptor Type 3 - Type 3 Serotonin Receptor