Additional file 2.

Fig. S2: Multiple alignment of the four promoter regions of the seven closely related streptococcal ICEs. (A) PorfQ, (B) Pcr, (C) Parp2 and (D). Parp2s. Spara_15912, S. parasanguinis ATCC15912; Sinf_700779, S. infantis ATCC 700779; ICESpn8140 from S. pneumoniae 8140; Saus_700641, S. australis ATCC700641; Spara_F0405, S. parasanguinis F0405. The -10 and -35 boxes of the promoters are grey coloured and the transcriptional start sites (+1) are in boldface. For PorfQ region (A), the change in free energy (ΔG) of the underlined terminator is indicated on the right. For Parp2 region (C), horizontal lines below the sequences delimitate the putative stems regions and dashed lines the loop parts, which might be involved in mRNA cleavage.

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Carraro et al. BMC Microbiology 2011 11:238   doi:10.1186/1471-2180-11-238