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UGA: A Third Nonsense Triplet in the Genetic Code


Two base triplets of the genetic code are known not to represent any amino-acid. It now appears that, in Escherichia coli, the UGA triplet of the bases uracil, guanine and adenine does not code for an amino-acid and is therefore also a “nonsense triplet”.

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BRENNER, S., BARNETT, L., KATZ, E. et al. UGA: A Third Nonsense Triplet in the Genetic Code. Nature 213, 449–450 (1967).

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