The molecule is a glutathione derivative that is glutathione in which the hydrogen attached to the sulfur has been replaced by sulfur has been replaced by a nitroso group. It has a role as a platelet aggregation inhibitor, a bronchodilator agent, a nitric oxide donor and a signalling molecule. It is a glutathione derivative and a nitrosothio compound. It is a conjugate acid of a S-nitrosoglutathione(1-) and a L-gamma-glutamyl-S-nitroso-D-cysteinylglycine(2-).
(2S)-2-amino-5-[[(2R)-1-(carboxymethylamino)-3-nitrososulfanyl-1-oxopropan-2-yl]amino]-5-oxopentanoic acid