5EEL:
reference: Unexpected involvement of staple leads to redesign of selective bicyclic peptide inhibitor of Grb7., Gunzburg MJ, Kulkarni K, Watson GM, Ambaye ND, Del Borgo MP, Brandt R, Pero SC, Perlmutter P, Wilce MC, Wilce JA, Sci Rep. 2016 Jun 3;6:27060. doi: 10.1038/srep27060. PMID: 27257138

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