C[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1ccccc1)[C@H](CCC(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)OC)O)N PSI_100_1AAQ methyl (2S)-2-[[(2S)-2-[[(4S,5S)-5-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]propanoyl]amino]-4-hydroxy-6-phenyl-hexanoyl]amino]-3-methyl-butanoyl]amino]-3-methyl-butanoate