Term Name:	thyroxine zwitterion
Synonyms:	(2S)-2-azaniumyl-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate, 2-Amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propionate, thyroxine
Definition:	The amino acid zwitterion formed from thyroxine by transfer of a proton from the carboxy group to the amino group. Major species at pH 7.3.
Ontology:	ChEBI [CHEBI:305790]  ( EBI )