Ready-to-use ELISA kits are available for the detection of 5-hydroxytryptamine (serotonin) receptor 6, an alias of the protein, 5-hydroxytryptamine receptor 6. The official gene symbol is HTR6. The protein, with a mass of 47 kDa and length of 440 residues, is reported to be membrane-associated. It is a member of the G-protein coupled receptor 1 family and may be known by other names, including: 5-HT6R, 5-HT6, serotonin receptor 6, and 5-hydroxytryptamine (serotonin) receptor 6 G protein-coupled.