Ready-to-use ELISA kits are available for the detection of 5-HT1F, an alias of the protein, 5-hydroxytryptamine receptor 1F. The official gene symbol is HTR1F. The protein, with a mass of 41.7 kDa and length of 366 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: MR77, HTR1EL, 5-HT1F, 5-HT-1F, serotonin receptor 1F, and 5-hydroxytryptamine (serotonin) receptor 1F G protein-coupled.