Quality of alignment comparison by COMPASS improves with inclusion of diverse confident homologs.

Abstract excerpt

MOTIVATION: Adding more distant homologs to a multiple alignment and thus increasing its diversity may eventually deteriorate the numerical profile constructed from this alignment. Here, we addressed the question whether such a diversity limit can be reached in the alignments of confident homologs found by PSI-BLAST, and we analyzed the dependence of the quality of the profile-profile comparison made by COMPASS...

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