Immunogen: This antibody was developed by immunizing rabbits with a mixture of synthetic peptides corresponding to amino acids 21-36 (RATQAHSTTQPALLRL) and 421-436 (LSSIRHSLEKRDEMRE) of rat 5-HT3A receptor, GenBank no AAB02949. Percent identity by BLAST analysis: Rat (100%); Mouse (88%); Hamster (81%).