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Nonlinear analysis of sequence symmetry of beta-trefoil family proteins

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  • Li, Mingfeng
  • Huang, Yanzhao
  • Xu, Ruizhen
  • Xiao, Yi

Abstract

The tertiary structures of proteins of beta-trefoil family have three-fold quasi-symmetry while their amino acid sequences appear almost at random. In the present paper we show that these amino acid sequences have hidden symmetries in fact and furthermore the degrees of these hidden symmetries are the same as those of their tertiary structures. We shall present a modified recurrence plot to reveal hidden symmetries in protein sequences. Our results can explain the contradiction in sequence-structure relations of proteins of beta-trefoil family.

Suggested Citation

  • Li, Mingfeng & Huang, Yanzhao & Xu, Ruizhen & Xiao, Yi, 2005. "Nonlinear analysis of sequence symmetry of beta-trefoil family proteins," Chaos, Solitons & Fractals, Elsevier, vol. 25(2), pages 491-497.
    • Handle: RePEc:eee:chsofr:v:25:y:2005:i:2:p:491-497
    DOI: 10.1016/j.chaos.2004.11.049
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