Crystal Basis Model: Codon-Anticodon Interaction and Genetic Code Evolution

Imposing a minimum principle in the framework of the so called crystal basis model of the genetic code, we determine the structure of the minimum set of 22 anticodons which allows the translational-transcription for animal mitochondrial code. The results are in very good agreement with the observed anticodons. Then, we analyze the evolution of the genetic code, with 20 amino acids encoded from the beginning, from the viewpoint of codon-anticodon interaction. Following the same spirit as above, we determine the structure of the anticodons in the Ancient, Archetypal and Early Genetic codes. Most of our results agree with the generally accepted scheme.

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