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Census of protein architectures offers new view of history of life
Date:10/1/2007

eliable results: First, the structure of protein folds is more stable than their genetic and protein sequences. Second, the folds that are the most common in life are also the most ancient.

The researchers suggest that the evolution of protein architectures is a key mechanism by which the three superkingdoms of life emerged from a communal ancestor. Adopting some protein architectures while abandoning others, perhaps in response to environmental pressures, may have been the first steps on the path of evolutionary divergence.


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Contact: Diana Yates
diya@uiuc.edu
217-333-5802
University of Illinois at Urbana-Champaign
Source:Eurekalert

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