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  • Title: The regularities of the changes of amino acid physico-chemical properties within the genetic code.
    Author: Siemion IZ.
    Journal: Amino Acids; 1995 Mar; 8(1):1-13. PubMed ID: 24186211.
    Abstract:
    All the codons of the genetic code can be arranged into the closed one-step mutation ring, containing three periods of the same sequence of mutations (2,3,3,3,1,3,3,3,1,3,3,3,1,3,3,3,2,3,3,3). The codons of Gly play a role of the connecting element between the end of the third, and the beginning of the first period of the genetic code. The reactivity of amino acids, expressed by the reaction rates of aminolysis reaction of N-hydroxysuccinimide esters of protected amino acids with p-anisidine, changes periodically with the respect to the mutation periods of the genetic code. Chou-Fasman P α as well as P β conformational parameters of amino acids, and also the compositional frequencies of amino acids in proteins, demonstrate the pseudosymmetry pattern with respect to the center of one-step mutation ring, which is situated between Thr ACY and ACR codons.
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