There are a number of ELISA Kits available for the measurement of 5-hydroxytryptamine (serotonin) receptor 5A, another term for the human protein, 5-hydroxytryptamine receptor 5A. Other synonyms may include: 5-HT-5, 5-HT-5A, 5-hydroxytryptamine (serotonin) receptor 5A G protein-coupled, and 5-HT5A. It is encoded by the HTR5A gene to yield a protein 357 amino acids in length and 40.3 kDa in size. The protein is categorized into the G-protein coupled receptor 1 family. Versions of 5-hydroxytryptamine (serotonin) receptor 5A are present in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.