Ready-to-use ELISA kits are available for the detection of ASMTY, an alias of the protein, acetylserotonin O-methyltransferase. The official gene symbol is ASMT. The protein has a mass of 38.5 kDa and length of 345 residues. It is a member of the Class I-like SAM-binding methyltransferase superfamily, Cation-independent O-methyltransferase family and may be known by other names, including: HIOMTY, ASMTY, hydroxyindole O-methyltransferase, acetylserotonin methyltransferase (Y chromosome), and acetylserotonin N-methyltransferase.