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. Author manuscript; available in PMC: 2020 Mar 22.
Published in final edited form as: Angew Chem Int Ed Engl. 2019 Feb 6;58(13):4144–4162. doi: 10.1002/anie.201808956

Figure 6.

Figure 6.

Generation of cyclic peptide libraries via mRNA display. a) Workflow for generating cyclic peptide libraries containing natural amino acids. Cyclization can be induced in a variety of ways including cysteine side chain disulfide formation or addition of side chain-reactive crosslinkers. b) Workflow for generating cyclic peptide libraries containing unnatural amino acids via the Flexizyme technology as pioneered by the Suga lab.