2003/04/30 by A. R. Mashaghi, A. Ramezanpour, V. Karimipour · 1 citation
Biochemistry, Genetics and Molecular Biology · Computer Science · Physics and Astronomy · #Bioinformatics and Genomic Networks #Complex Network Analysis Techniques #Topological and Geometric Data Analysis #cond-mat.dis-nn #cond-mat.stat-mech #q-bio.MN
paper · pdf · doi:10.1140/epjb/e2004-00301-0
published as Eur. Phys. J. B 41, 113-121 (2004) · 19 pages, 9 figures, 1 table, to appear in Euro. Phys. J. B
arxiv created 2004/09/01 · openalex publication_date 2004/09/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
The budding yeast \it Saccharomyces cerevisiae is the first eukaryote whose genome has been completely sequenced. It is also the first eukaryotic cell whose proteome (the set of all proteins) and interactome (the network of all mutual interactions between proteins) has been analyzed. In this paper we study the structure of the yeast protein complex network in which weighted edges between complexes represent the number of shared proteins. It is found that the network of protein complexes is a small world network with scale free behavior for many of its distributions. However we find that there are no strong correlations between the weights and degrees of neighboring complexes. To reveal non-random features of the network we also compare it with a null model in which the complexes randomly select their proteins. Finally we propose a simple evolutionary model based on duplication and divergence of proteins.