The molecule is an oligopeptide composed of the tripeptide unit beta-alanyl-L-leucyl-L-alanyl which is connected via an aminoethyl spacer to the amino terminus of the pseudopeptide fragment N-{3-[(L-tryptophylamino)methyl]benzoyl}-L-leucyl-L-threonyl-L-valine. It has a role as a peptidomimetic.
(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[3-[[[(2S)-2-[2-[[(2S)-2-[[(2S)-2-(3-aminopropanoylamino)-4-methylpentanoyl]amino]propanoyl]amino]ethylamino]-3-(1H-indol-3-yl)propanoyl]amino]methyl]benzoyl]amino]-4-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-methylbutanoic acid