Histamine N-methyltransferase
Histamine N-methyltransferase (HNMT) is a protein encoded by the HNMT gene in humans. It belongs to the methyltransferases superfamily of enzymes and plays a role in the inactivation of histamine, a biomolecule that is involved in various physiological processes.
Source: Wikipedia — Histamine N-methyltransferase (CC BY-SA 4.0)