Domain Movement within a Gene: A Novel Evolutionary Mechanism for Protein Diversification

Abstract excerpt

A protein function is carried out by a specific domain localized at a specific position. In the present study, we report that, within a gene, a specific amino acid sequence can move between a certain position and another position. This was discovered when the sequences of restriction-modification systems within the bacterial species Helicobacter pylori were compared. In the specificity subunit of Type I...

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