The molecule is a homodetic cyclic peptide that consists of L-threonine and L-valine as the amino acid residues cyclised via amide bonds. It is isolated from Lissoclinum bistratum and exhibits antitumour activity against the human colon tumour cell line. It has a role as a metabolite and an antineoplastic agent. It is a homodetic cyclic peptide and a macrocycle.
(4S,7R,8S,11S,18S)-7-methyl-4,11,18-tri(propan-2-yl)-6-oxa-13,20-dithia-3,10,17,22,23,24-hexazatetracyclo[17.2.1.15,8.112,15]tetracosa-1(21),5(24),12(23),14,19(22)-pentaene-2,9,16-trione