Protein evolution follows modular principle

23 julio 2014

Similarities between proteins reveal that their great diversity has arisen from smaller building blocks. Proteins consist of long chains of 20 different amino acid building blocks that fold into a characteristic three-dimensional structure. It is noteworthy that some modules, known as protein domains, occur more frequently than others. Scientists suspect that many of these domains share a common evolutionary origin.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5PIftESmPhw/140723123946.htm

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