The molecule is a homodetic cyclic peptide isolated from the culture medium of the cyanobacterium Tolypothrix byssoidea. It has a role as a bacterial metabolite and an antifungal agent.
[(1R)-1-[(3S,6S,9S,12S,15S,18Z,21S,24S,27S,30S,33R,36S,39S)-21-benzyl-24,27-bis[(2S)-butan-2-yl]-36-[3-(diaminomethylideneamino)propyl]-18-ethylidene-9,30-bis[(1R)-1-hydroxyethyl]-33-(2-methylpropyl)-2,5,8,11,14,17,20,23,26,29,32,35,38-tridecaoxo-3,6,15-tri(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31,34,37-tridecazabicyclo[37.3.0]dotetracontan-12-yl]ethyl] acetate