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Haemoglobin Initiation in Protein Synthesis by Animal Cells and the Universality of the Genetic Code

Abstract

THE biosynthesis of proteins involves the formation and stepwise elongation of peptide chains starting from the N-terminal amino-acid1. The order of addition of different amino-acid residues is under genetic control and is determined by the sequence of bases in messenger RNA, each amino-acid being specified by a codon consisting of three nucleotides2,3. The nature of the genetic code has been elucidated largely by using synthetic oligo and poly-nucleotides as artificial messengers, and at the present time sixty-one of the sixty-four possible triplets have been assigned to one or other of the twenty protein amino-acids. Of the remaining triplets, two seem to be involved in chain termination and the function of the third is still uncertain3.

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ARNSTEIN, H., RAHAMIMOFF, H. Haemoglobin Initiation in Protein Synthesis by Animal Cells and the Universality of the Genetic Code. Nature 219, 942–944 (1968). https://doi.org/10.1038/219942a0

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