Term Name:	D-alanyl-D-alanine zwitterion
Synonyms:	(2R)-2-{[(2R)-2-ammoniopropanoyl]amino}propanoate, D-alanyl-D-alanine
Definition:	A dipeptide zwitterion that is the zwitterionic form of D-alanyl-D-alanine arising from migration of a proton from the OH of the carboxy terminus to the amino terminus.
Ontology:	ChEBI [CHEBI:57822]  ( EBI )