Modeling of protein interaction networks

Details Modeling of protein interaction networks Modeling of protein interaction networks

2001-08-02

arxiv.org/abs/cond-mat/0108043v1

ComPlexUs 1, 38 (2003)

Physics

Condensed Matter

Statistical Mechanics

9 pages, 3 figures

Scientific paper

We introduce a graph generating model aimed at representing the evolution of protein interaction networks. The model is based on the hypotesis of evolution by duplications and divergence of the genes which produce proteins. The obtained graphs shows multifractal properties recovering the absence of a characteristic connectivity as found in real data of protein interaction networks. The error tolerance of the model to random or targeted damage is in very good agreement with the behavior obtained in real protein networks analysis. The proposed model is a first step in the identification of the evolutionary dynamics leading to the development of protein functions and interactions.

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