The protein interactome of glycolysis in Escherichia coli

Graduate Author(s)
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Chowdhury, S., S. Hepper, M.K. Lodi, M.H. Saier, Jr., and P. Uetz (2021) The protein interactome of glycolysis in Escherichia coli Proteomes 9:16. https://doi.org/10.3390/proteomes9020016.

Abstract

Glycolysis is regulated by numerous mechanisms including allosteric regulation, post-translational modification or protein-protein interactions (PPI). While glycolytic enzymes have been found to interact with hundreds of proteins, the impact of only some of these PPIs on glycolysis is well understood. Here we investigate which of these interactions may affect glycolysis in E. coli and possibly across numerous other bacteria, based on the stoichiometry of interacting protein pairs (from proteomic studies) and their conservation across bacteria. We present a list of 339 protein-protein interactions involving glycolytic enzymes but predict that ~70% of glycolytic interactors are not present in adequate amounts to have a significant impact on glycolysis. Finally, we identify a conserved but uncharacterized subset of interactions that are likely to affect glycolysis and deserve further study.

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