The molecule is a 19-membered cyclodepsipeptide isolated from Floridian marine cyanobacterium Lyngbya sp. It exhibits inhibitory activity towards the enzyme trypsin. It has a role as a metabolite, a serine protease inhibitor and an EC 3.4.21.4 (trypsin) inhibitor. It is a cyclodepsipeptide, an organobromine compound and a macrocycle.
(2S)-N-[(2S,5S,8S,11R,12S,15S,18R,21R)-15-(4-aminobutyl)-5-[(3-bromo-4-methoxyphenyl)methyl]-2-[(2R)-butan-2-yl]-21-hydroxy-4,11-dimethyl-3,6,9,13,16,22-hexaoxo-8-propan-2-yl-10-oxa-1,4,7,14,17-pentazabicyclo[16.3.1]docosan-12-yl]-2-(butanoylamino)-3-methylbutanamide