Making Sense of High-Throughput Protein-Protein Interaction Data

Scholtens Denise and Gentleman Robert
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Scholtens Denise: Northwestern University
Gentleman Robert: Fred Hutchinson Cancer Research Center

Statistical Applications in Genetics and Molecular Biology, 2005, vol. 3, issue 1, 33

Abstract: Accurate systems biology modeling requires a complete catalog of protein complexes and their constituent proteins. We discuss a graph-theoretic/statistical algorithm for local dynamic modeling of protein complexes using data from affinity purification-mass spectrometry experiments. The algorithm readily accommodates multicomplex membership by individual proteins and dynamic complex composition, two biological realities not accounted for in existing topological descriptions of the overall protein network. A likelihood-based objective function guides the protein complex modeling algorithm. With an accurate complex membership catalog in place, systems biology can proceed with greater precision.

Keywords: protein-protein interactions; graph theory (search for similar items in EconPapers)
Date: 2005
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DOI: 10.2202/1544-6115.1107

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