arginyl-arginyl-lysyl-alanyl-seryl-glycyl-prolyl-prolyl-valine

(2S)-2-[[(2S)-1-[(2S)-1-[2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2 -[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diamino methylideneamino)pentanoyl]amino]hexanoyl]amino]propanoyl]amino]-3-hyd roxy-propanoyl]amino]acetyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbo nyl]amino]-3-methyl-butanoic acid