(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3S)-2-[[(2S)-5-amino-2-[[2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-1-[(2S)-1-[(2S)-2-[[(2S)-6-amino-2-[[(2R)-2-[[(2S)-5-amino-2-[[(2S)-1-[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]hexanoyl]amino]hexanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-oxopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoyl]amino]-3-sulfanylpropanoyl]amino]hexanoyl]amino]-5-carbamimidamidopentanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]amino]acetyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]propanoyl]amino]hexanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]-3-methylpentanoic acid