The molecule is a phytochelatin that is a pentapeptide consisting of 2 units of gamma-Glu-Cys, with a glycyl unit at the C-terminus. It is a phytochelatin and a pentapeptide.
(2S)-2-amino-5-[[(2R)-1-[[(1S)-1-carboxy-4-[[(2R)-1-(carboxymethylamino)-1-oxo-3-sulfanylpropan-2-yl]amino]-4-oxobutyl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-5-oxopentanoic acid