Ready-to-use ELISA kits are available for the detection of phenylethanolamine-N-methyltransferase, an alias of the protein, phenylethanolamine N-methyltransferase. The official gene symbol is PNMT. The protein has a mass of 30.9 kDa and length of 282 residues. It is a member of the Class I-like SAM-binding methyltransferase superfamily, NNMT/PNMT/TEMT family and may be known by other names, including: PNMTase, PENT, phenylethanolamine N-methylase, and noradrenaline N-methyltransferase.