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EC 2.3.1.87 Details
EC number
2.3.1.87
Accepted name
aralkylamine N-acetyltransferase
Reaction
acetyl-CoA + a 2-arylethylamine = CoA + an N-acetyl-2-arylethylamine
Other name(s)
serotonin acetyltransferase, serotonin acetylase, arylalkylamine N-acetyltransferase, serotonin N-acetyltransferase, AANAT, melatonin rhythm enzyme
Systematic name
acetyl-CoA:2-arylethylamine N-acetyltransferase
CAS registry number
92941-56-5
Comment
Narrow specificity towards 2-arylethylamines, including serotonin (5-hydroxytryptamine), tryptamine, 5-methoxytryptamine and phenylethylamine. This is the penultimate enzyme in the production of melatonin (5-methoxy-N-acetyltryptamine) and controls its synthesis (cf. EC 2.1.1.4, acetylserotonin O-methyltransferase). Differs from EC 2.3.1.5 arylamine N-acetyltransferase.
History
created 1986, modified 2005
EC Tree
2.3.1.55 created 1976, deleted 1999
2.3.1.120 created 1990, deleted 1992
2.3.1.124 created 1990, deleted 1992