The molecule is an oligopeptide composed of L-lysine, L-threonine, L-tryptophan, glycine, L-asparagine, L-leucine, L-valine and L-valine joined in sequence by peptide linkages; synthetic variant K9V of the yellow fever specific peptide epitope K9F.
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-hydroxybutanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]acetyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]-4-methylpentanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoic acid