Term Name:	L-methioniniumyl group
Synonyms:	(2S)-2-ammonio-4-(methylsulfanyl)butanoyl, (2S)-2-azaniumyl-4-(methylsulfanyl)butanoyl, L-methionyl(1+), L-methionyl(1+) group, N-terminal L-methionine residue
Definition:	The organic cationic group formed from L-methioninium; the major structure at pH 7.3 of the L-methionyl group, formed by protonation of the α-amino group.
Ontology:	ChEBI [CHEBI:64731]  ( EBI )