Biotinyl-CBP501 Affinity Peptide

(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S,3S)-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-4-amino-4-oxobutanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-sulfanylpropanoyl]amino]-3-methylpentanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxypropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-6-aminohexanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-5-amino-5-oxopentanoyl]amino]-6-aminohexanoyl]amino]pentanedioic acid;2,2,2-trifluoroacetic acid