Tyramine N-methyltransferase

In enzymology, a tyramine N-methyltransferase (EC 2.1.1.27) is an enzyme that catalyzes the chemical reaction

S-adenosyl-L-methionine + tyramine S-adenosyl-L-homocysteine + N-methyltyramine
tyramine N-methyltransferase
Identifiers
EC no.2.1.1.27
CAS no.37256-96-5
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins

Thus, the two substrates of this enzyme are S-adenosyl methionine and tyramine, whereas its two products are S-adenosylhomocysteine and N-methyltyramine.

This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:tyramine N-methyltransferase. Other names in common use include DIB O-methyltransferase (3,5-diiodo-4-hydroxy-benzoic acid), S-adenosyl-methionine:tyramine N-methyltransferase, and tyramine methylpherase. This enzyme participates in tyrosine metabolism.

References

    • Mann JD, Mudd SH (1963). "Alkaloids and plant metabolism. IV. The tyramine methylpherase of barley roots". J. Biol. Chem. 238: 381–385.


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