Expanded genetic code: engineered tRNAs allow proteins with 34 amino acids
Scientists have spent over two decades trying to make biological systems produce non-natural proteins. By reworking transfer RNA molecules, they can now incorporate up to 34 different amino acids into proteins. This breakthrough could accelerate innovation in medicine, agriculture, and materials science.
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Original headline: “Reworked tRNAs enable protein design with up to 34 amino acids.” Browse more stories.