(2S)-2-[[(2S)-4-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-5-amino-2-[(2-aminoacetyl)amino]-5-oxopentanoyl]amino]-3-methylbutanoyl]amino]acetyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-oxopentanoyl]amino]hexanoyl]amino]propanoyl]amino]-3-methylpentanoyl]amino]-3-methylpentanoyl]amino]acetyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-methylpentanoyl]amino]-4-oxobutanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid