Literature summary extracted from

Barth, H.; Schunack, W.; Crombach, M.; Lorenz, W.
Gastric histamine methyltransferase: different methylation rates for enantiomers of side-chain methylated histamine analogues using a highly purified enzyme preparation (1984), Agents Actions, 14, 346-350.

Activating Compound

EC Number	Activating Compound	Comment	Organism	Structure
2.1.1.8	alpha,Nalpha-Dimethylhistamine	activation	Sus scrofa

Organism

EC Number	Organism	UniProt	Comment	Textmining
2.1.1.8	Sus scrofa	-	-	-

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
2.1.1.8	mucosa	fundic mucosa	Sus scrofa	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
2.1.1.8	S-adenosyl-L-methionine + (R)-alpha-methylhistamine	-	Sus scrofa	S-adenosyl-L-homocysteine + ?	-	?
2.1.1.8	S-adenosyl-L-methionine + (S)-alpha-methylhistamine	-	Sus scrofa	S-adenosyl-L-homocysteine + ?	-	?
2.1.1.8	S-adenosyl-L-methionine + histamine	-	Sus scrofa	S-adenosyl-L-homocysteine + Ntau-methylhistamine	-	?

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Release 2023.1 (January 2023)