Figure 4

Multiple alignment of SepQ/EscQ with related type-III secretion proteins. The sequence and secondary structure of the crystal structure of the C-terminal domain of the HrcQb protein from Pseudomonas Syringae Pv. Phaseolicola (pdb|1OY9) are shown 56. Sequences 2–21 (including SepQ) are from COG1886. 1OY9 and the remaining 10 sequences are representative members of Pfam:SpoA. Organism and gene name abbreviations are abbreviated as follows: EHEC (Escherichia coli O157:H7) SepQ (ECs4565/gb|AAG58829), Yp (Yersinia pestis CO92) YscQ (ref|NP_403921), Ct YscQ (ref|NP_220191), At (Agrobacterium tumefaciens str. C58) AGRc988p(ref|NP_353589), Ba (Buchnera aphidicola) FliN (sp|P57183), Ci (Caulobacter vibrioides) FliN(sp|Q03593), Cc (Caulobacter crescentus) FliN(ref|NP_420978), Cj (Campylobacter jejuni) FliY (ref|NP_281274) and FliN (ref|NP_281542), EHEC EpaO (ECs3726/sp|Q8X6F0), Pa (Pseudomonas aeruginosa) PscQ (ref|NP_250385), Rs (Ralstonia solanacearum) HrcQ (ref|NP_522422), St (Salmonella typhimurium) SsaQ(sp|P74860) and SpaO (sp|P40699), Yp FliN(ref|NP_404342.1), Aa (Aquifex aeolicus) FliN (sp|O67495), Li (Listeria innocua) Lin0701 (ref|NP_470044), Lin0706 (ref|NP_470049), and Lin0708 (ref|NP_470051), Ml (Mesorhizobium loti) hrcQ (ref|NP_106868), At FliM (sp|Q44457), Hp (Helicobacter pylori) FliM (sp|O25675), Bs (Bacillus subtilis) FliM (sp|P23453), Bb (Borrelia burgdorferi) FliM(sp|57511), Tp (Treponema pallidum) FliM (sp|P74927), Vp FliM (sp|Q9Z6GI), Rp (Rhodobacter sphaeroides) FliM (O85118), Sf (Shigella flexneri) SpaO (sp|P35534), Bp (Burkholderia pseudomallei) SctQ (Q9ZGR1), Ea (Erwinia amylovora) HrcQ (Q46645). Alignment is presented using default CHROMA settings (see Figure 2 legend).