Source: wikibot/htr3b
= HTR3B
{wiki=HTR3B}
HTR3B, or 5-hydroxytryptamine receptor 3B, is a gene that encodes a protein which is part of the serotonin receptor family. Specifically, it is one of the subunits of the 5-HT3 receptor, a type of ligand-gated ion channel that is activated by the neurotransmitter serotonin (5-HT).