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HNMT

Official Full Name
HNMT
Background
(HNMT) is the enzyme which catalyzes the n-methylation of histamine as follows: Histamine + S-Adenosyl methionine ------> (SAM)methyladed Histamine. The mechanism involves the transfer of an active methyl group from S-Adenosyl methionine (SAM) to histamine. Histamine is present in most of mammalian tissues and HNMT is the enzyme responsible for inactivation of histamine in mammals. Methylation is major route of histamine metabolism. HNMT has been used to measure histamine by radio-enzymatic method. HNMT has been purified from rat kidney. Molecular weight equals 33,400, pH optimum is 8.00-8.25. We have also purified it from bovine kidney which seems to be very similar to rat kidney.
Synonyms
Histamine N-Methyl Transferase; HNMT; EC 2.1.1.8

Catalog
ProductName
EC No.
CAS No.
Source
Price
CatalogEXWM-1981
EC No.EC 2.1.1.8
CAS No.9029-80-5
Source
CatalogNATE-0898
EC No.EC 2.1.1.8
CAS No.9029-80-5
SourceRat Kidney

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