Figure 1.

Alignment of sequence fragments. Two sequences, initially in their own sequence fragments and labelled "0.", are locally aligned: the aligned piece goes into one fragment with two sequence labels, and the remaining pieces go into their own fragments. The sequence labels increase from left to right on any sequence, and are used to maintain consistency in alignments.

Siddharthan BMC Bioinformatics 2006 7:143   doi:10.1186/1471-2105-7-143
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