A structural genomics approach to the study of quorum sensing: crystal structures of three LuxS orthologs.
Lewis, H.A., Furlong, E.B., Laubert, B., Eroshkina, G.A., Batiyenko, Y., Adams, J.M., Bergseid, M.G., Marsh, C.D., Peat, T.S., Sanderson, W.E., Sauder, J.M., Buchanan, S.G.(2001) Structure 9: 527-537
- PubMed: 11435117 
- DOI: https://doi.org/10.1016/s0969-2126(01)00613-x
- Primary Citation of Related Structures:  
1INN, 1J6V, 1J6W, 1J6X, 1VJE - PubMed Abstract: 
Quorum sensing is the mechanism by which bacteria control gene expression in response to cell density. Two major quorum-sensing systems have been identified, system 1 and system 2, each with a characteristic signaling molecule (autoinducer-1, or AI-1, in the case of system 1, and AI-2 in system 2). The luxS gene is required for the AI-2 system of quorum sensing. LuxS and AI-2 have been described in both Gram-negative and Gram-positive bacterial species and have been shown to be involved in the expression of virulence genes in several pathogens.
Organizational Affiliation: 
Structural GenomiX, San Diego, CA 92121, USA. hal_lewis@stromix.com