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    Michael A. Jensen and Ronald W. Davis Biochemistry 2018 57 (12), 1821-1832 DOI: 10.1021/acs.biochem.7b00937

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    Source: Nuijens T, Toplak A, Schmidt M, Ricci A and Cabri W (2019) Natural Occurring and Engineered Enzymes for Peptide Ligation and Cyclization.Front.  Chem. 7:829. doi: 10.3389/fchem.2019.00829

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