has role has role is conjugate acid of is protonated form of nitrosothio compound glutathione derivative bronchodilator agent S-nitrosoglutathione(2-) S-nitrosoglutathione GSNO CHEBI:50091 N-(N-L-gamma-glutamyl-S-nitroso-L-cysteinyl)glycine nitrosoglutathione chebi_ontology glutathione thionitrite SNOG A glutathione derivative that is glutathione in which the hydrogen attached to the sulfur has been replaced by a nitroso group. platelet aggregation inhibitor nitric oxide donor signalling molecule