has role has role is conjugate base of glutathione cofactor glutathionate(1-) glutathione glutathionate ion chebi_ontology glutathionate CHEBI:57925 A peptide anion obtained by deprotonation of both carboxy groups and protonation of the glutamyl amino group of glutathione; major species at pH 7.3. glutathionate anion peptide anion Saccharomyces cerevisiae metabolite human metabolite