The molecule is a peptide anion that is the conjugate base of N(alpha)-(L-gamma-glutamyl)-hercynyl-L-cysteine sulfoxide and major species at pH 7.3. It derives from a N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine. It is a conjugate base of a N(alpha)-(L-gamma-glutamyl)-hercynyl-L-cysteine sulfoxide.
(2S)-2-azaniumyl-5-[[(1R)-1-carboxylato-2-[[5-[(2S)-2-carboxylato-2-(trimethylazaniumyl)ethyl]-1H-imidazol-2-yl]sulfinyl]ethyl]amino]-5-oxopentanoate