Proteins are biosynthesized from α-amino acids using hefty biological machinery, but the origin of this process on the early Earth is unclear. Now, a bottom-up approach for forming peptides, taking place under mild, prebiotically-plausible conditions, has been developed. This strategy uses α-aminonitrile precursors, bypassing α-amino acids entirely.
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Pascal, R., Chen, I.A. From soup to peptides. Nat. Chem. 11, 763–764 (2019). https://doi.org/10.1038/s41557-019-0318-6
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DOI: https://doi.org/10.1038/s41557-019-0318-6