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Related Experiment Videos

Correlation between evolutionary structural development and protein folding.

Chioko Nagao1, Tomoki P Terada, Tetsuya Yomo

  • 1Department of Complex Systems Science, Graduate School of Information Science, and Institute for Advanced Research, Nagoya University, Nagoya 464-8601, Japan.

Proceedings of the National Academy of Sciences of the United States of America
|December 21, 2005
PubMed
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Protein evolution shapes unique structures and folding mechanisms. Early evolution, guided by functional selection, shows a correlation between sequence selection and protein folding, suggesting folding recapitulates molecular evolution.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Evolutionary Biology

Background:

  • Protein structure and folding are fundamental to biological function.
  • The role of early evolution in shaping protein folding mechanisms remains largely unknown.
  • Functional selection pressure is hypothesized to guide protein evolution towards ordered structures.

Purpose of the Study:

  • To investigate how early evolutionary stages influenced protein folding mechanisms.
  • To explore the relationship between evolutionary sequence selection and protein folding processes.
  • To determine if protein folding recapitulates the emergence of molecular evolutionary topology.

Main Methods:

  • In silico functional selection of protein sequences.
  • Analysis of the correlation between evolutionary sequence selection and protein folding.

Related Experiment Videos

  • Examination of the development of unique three-dimensional (3D) protein structures.

    • Main Results:

    • A significant correlation was found between evolutionary sequence selection and the folding process of the resulting sequences.
    • The study demonstrates that protein folding recapitulates the emergence of topology during molecular evolution.
    • In silico functional selection supports the hypothesis of guided evolution towards ordered protein structures.

    Conclusions:

    • Early evolution, driven by functional selection, significantly impacts protein folding mechanisms and unique structure development.
    • Protein folding processes mirror the topological emergence observed in molecular evolution.
    • The identified correlation provides a potential guideline for engineering novel, foldable proteins.