Term Name:	selenoneine
Synonyms:	(2S)-3-(2-selenoxo-2,3-dihydro-1H-imidazol-4-yl)-2-(trimethylazaniumyl)propanoate, 2-selenyl-N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine, selenoergothioneine, selenoneine
Definition:	A histidine derivative that is N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine substituted by a selenoxo group at position 2 on the imidazole ring. A selenium-containing antioxidant found in tuna blood.
Ontology:	ChEBI [CHEBI:79071]  ( EBI )