Term Name:	Met-enkephalin zwitterion
Synonyms:	[Met(5)]-enkephalin zwitterion, [Met(5)]enkephalin zwitterion, L-Tyr-Gly-Gly-L-Phe-L-Met zwitterion, L-tyrosylglycylglycyl-L-phenylalanyl-L-methionine zwitterion, M-ENK zwitterion, MENK zwitterion, Met-enkephalin, metenkefalin zwitterion, N-[(2S)-2-azaniumyl-3-(4-hydroxyphenyl)propanoyl]glycylglycyl-N-[(1S)-1-carboxylato-3-(methylsulfanyl)propyl]-L-phenylalaninamide, Tyr-Gly-Gly-Phe-Met zwitterion
Definition:	A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Met-enkephalin. Major species at pH 7.3.
Ontology:	ChEBI [CHEBI:189868]  ( EBI )