The molecule is a cyclodepsipeptide consisting of a 3,4-dihydroxy-4-methylhexadecanoyl group attached to the amino terminus of the linear heptapeptide Ser-D-Ala-Asp-Asn-Asn-Ser-D-allo-Thr which is cyclised head-to-tail via the 3-hydroxy group on the hexadecanoyl chain. It is an antifungal drug isolated from the barley solid culture of the fungus Glomospora sp. It has a role as an antifungal agent and a fungal metabolite. It is a peptide antibiotic, a monocarboxylic acid, a primary alcohol, a secondary alcohol, a tertiary alcohol, a cyclodepsipeptide and a lactam. It derives from a 3,4-dihydroxy-4-methylhexadecanoic acid.
2-[(3R,18R)-9,12-bis(2-amino-2-oxoethyl)-3-[(1R)-1-hydroxyethyl]-6,21-bis(hydroxymethyl)-25-(2-hydroxytetradecan-2-yl)-18-methyl-2,5,8,11,14,17,20,23-octaoxo-1-oxa-4,7,10,13,16,19,22-heptazacyclopentacos-15-yl]acetic acid