See Also: methionine(encyclopedia)
Methionine(medicine)
methionine(dictionary)
methionine adenosyltransferase(medicine)
methionine decarboxylase(medicine)
methionine puddle(medicine)
methionine s-methyltransferase(medicine)
methionine sulfoxime(medicine)
methionine sulfoximine(medicine)
methionine synthase(medicine)

methionine (iou)



methionine noun. E20.
[from METH- + THION- + -INE5.]
Biochemistry. A hydrophobic sulphur-containing amino acid, CH3S(CH2)2CH(NH2)COOH, which occurs in proteins and is essential in the human diet; 2-amino-4- (methylthio)butyric acid.