(from the article `Axelrod, Julius`) ...Euler`s discovery of noradrenaline (norepinephrine), a chemical substance that transmits nerve impulses. Axelrod, in turn, discovered that ...
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http://www.britannica.com/eb/a-z/c/36
<enzyme> An enzyme of the transferase class that catalyses the transfer of a methyl group from s-adenosylmethionine to a catechol or catecholamine such as dopa, dopamine, norepinephrine, or epinephrine. (converting to normetanephrine and metanephrine, respectively), the methyl group coming from S-adenosyl-l-methionine. An important step in th...
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http://www.encyclo.co.uk/local/20973
Type: Term Definitions: 1. a transferase that catalyzes the methylation of the hydroxyl group at the 3 position of the aromatic ring of catechols, including the catecholamines norepinephrine and epinephrine (thus, converting to normetanephrine and metanephrine, respectively), the methyl group coming from S-adenosyl-l-methionine. An important step i...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=15070
Catechol-O-methyltransferase: COMT. An enzyme that catalyzes the degradation of catecholamines, including the neurotransmitters dopamine, epinephrine, and norepinephrine. COMT is also important in the metabolism of catechol drugs used in the treatment of hypertension, asthma, and Parkinson disease. A genetic polymorphism (a common normal variant) i...
Found on
http://www.medterms.com/script/main/art.asp?articlekey=22442
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