In this study, a new method was designed to extract internal repeating segments from proteomes of 8 modern species belong to eukaryota, bacteria and archaea, respectively.

• 进一步研究显示，三大种群生物偏向性使用氨基酸构成蛋白质内部重复片段的形为与蛋白质组的氨基酸使用频率紧密相关。