DUS alignment sites. Two examples of aligned DNA uptake sequence (DUS) sites in the multiple alignment of the genomes. The red rectangle surrounds the columns that delimit the DUS sequence, which is presented in bold. The positions are positive if the sequence is in the published strand and in negative if they are in the complementary strand. (a) A region of the multiple alignment containing the 3'-TTCAGACGGC-5' reverse complement of the DUS exclusively in Neisseria gonorrhoeae FA1090. (b) A second region from the multiple alignment containing the 3'-GCCGTCTGAA-5' DUS sequence in N. gonorrhoeae FA1090, and showing an altered DUS with one substitution in the remaining sequences.