The molecule is an oligopeptide composed of L-glutamine, L-tyrosine, L-isoleucine, L-lysine, L-alanine, L-asparagine, L-serine, L-lysine, L-phenylalanine, L-isoleucine, glycine, L-isoleucine, L-threonine, L-glutamic acid and L-leucine joined in sequence by peptide linkages.
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2,5-diamino-5-oxopentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]hexanoyl]amino]propanoyl]amino]-4-oxobutanoyl]amino]-3-hydroxypropanoyl]amino]hexanoyl]amino]-3-phenylpropanoyl]amino]-3-methylpentanoyl]amino]acetyl]amino]-3-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]-4-methylpentanoic acid