Network analysis of protein dynamics

Details Network analysis of protein dynamics Network analysis of protein dynamics

2007-03-11

arxiv.org/abs/q-bio/0703025v2

FEBS Letters 581:2776-2782 (2007)

Biology

Quantitative Biology

Biomolecules

10 pages, 2 figures, 1 table

Scientific paper

The network paradigm is increasingly used to describe the topology and dynamics of complex systems. Here we review the results of the topological analysis of protein structures as molecular networks describing their small-world character, and the role of hubs and central network elements in governing enzyme activity, allosteric regulation, protein motor function, signal transduction and protein stability. We summarize available data how central network elements are enriched in active centers and ligand binding sites directing the dynamics of the entire protein. We assess the feasibility of conformational and energy networks to simplify the vast complexity of rugged energy landscapes and to predict protein folding and dynamics. Finally, we suggest that modular analysis, novel centrality measures, hierarchical representation of networks and the analysis of network dynamics will soon lead to an expansion of this field.

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