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. 2012 Aug 16;8(8):e1002637. doi: 10.1371/journal.pcbi.1002637

Figure 9. Coincidence matrix for E. coli Lsr system LMNAST extended window stringent search hits.

Figure 9

Letters represent the respective Lsr genes. 1–5 represent the five genes preceding the Lsr system: ydeT, yneL, hipA, hipB, and ydeK-lipoprotein. 14–17 represent the four genes after the Lsr system: tam (transaconitate methyltransferase), yneE, uxaB, and a predicted diguanylate cyclase. The figure suggests a) strong conservation of the association between Lsr system genes relative to its neighbors, b) hits in which the Lsr system has been excised entirely from its gene neighbors, and c) a weak coincidence between yneH-glutaminase characters and the Lsr system. The matrix also indicates that the overall prevalence of lsrF and lsrG characters is lower than other canonical Lsr characters, although the presence of lsrF and lsrG characters is a good predictor of the presence of other Lsr genes.