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Creators/Authors contains: "Biggs, Jason_S"

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  1. ; ; ; ; ; ; (, ChemBioChem)
    Abstract Proline‐rich macrocyclic peptides (PRMPs) are natural products present in geographically and phylogenetically dispersed marine sponges. The large diversity and low abundance of PRMPs in sponge metabolomes precludes isolation and structure elucidation of each individual PRMP congener. Here, using standards developed via biomimetic enzymatic synthesis of PRMPs, a mass spectrometry‐based workflow to sequence PRMPs was developed and validated to reveal that the diversity of PRMPs in marine sponges is much greater than that has been realized by natural product isolation‐based strategies. Findings are placed in the context of diversity‐oriented transamidative macrocyclization of peptide substrates in sponge holobionts. 
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