The role of the genetic code in protein evolution |
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Authors: | Jeffrey N. Davidson Barry M. Dancis |
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Affiliation: | Department of Biology, Indiana University, Bloomington, Indiana 47401, U.S.A. |
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Abstract: | The arrangement and degeneracy of triplets in the genetic code play an important but not inclusive part in protein evolution. In particular, data indicate that the genetic code is insufficient to account for the existence of homologous proteins. A novel theory is proposed suggesting that homologous proteins are the existing part of a discrete probability class whose members are genetically intermutable and whose size is delimited by natural selection. |
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