Three-dimensional structural view of the central metabolic network of thermotoga maritima

Ying Zhang, Ines Thiele, Dana Weekes, Zhanwen Li, Lukasz Jaroszewski, Krzysztof Ginalski, Ashley M. Deacon, John Wooley, Scott A. Lesley, Ian A. Wilson, Bernhard Palsson, Andrei Osterman, Adam Godzik

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

154 Citations (Scopus)

Abstract

Metabolie pathways have traditionally been described in terms of biochemical reactions and metabolites. With the use of structural genomics and systems biology, we generated a three-dimensional reconstruction of the central metabolic network of the bacterium Thermotoga maritima. The network encompassed 478 proteins, of which 120 were determined by experiment and 358 were modeled. Structural analysis revealed that proteins forming the network are dominated by a small number (only 182) of basic shapes (folds) performing diverse but mostly related functions. Most of these folds are already present in the essential core (∼30%) of the network, and its expansion by nonessential proteins is achieved with relatively few additional folds. Thus, integration of structural data with networks analysis generates insight into the function, mechanism, and evolution of biological networks.

Original languageEnglish
Pages (from-to)1544-1549
Number of pages6
JournalScience
Volume325
Issue number5947
DOIs
Publication statusPublished - 2009
Externally publishedYes

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