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Bioinformatics. 2008 Apr 1;24(7):1016-7. doi: 10.1093/bioinformatics/btn073. Epub 2008 Feb 26.

SubSeqer: a graph-based approach for the detection and identification of repetitive elements in low-complexity sequences.

Author information

1
Program in Molecular Structure and Function, Hospital for Sick Children, University of Toronto, Toronto, Canada.

Abstract

Low-complexity, repetitive protein sequences with a limited amino acid palette are abundant in nature, and many of them play an important role in the structure and function of certain types of proteins. However, such repetitive sequences often do not have rigidly defined motifs. Consequently, the identification of these low-complexity repetitive elements has proven challenging for existing pattern-matching algorithms. Here we introduce a new web-tool SubSeqer (http://compsysbio.org/subseqer/) which uses graphical visualization methods borrowed from protein interaction studies to identify and characterize repetitive elements in low-complexity sequences. Given their abundance, we suggest that SubSeqer represents a valuable resource for the study of typically neglected low-complexity sequences.

PMID:
18304932
DOI:
10.1093/bioinformatics/btn073
[Indexed for MEDLINE]

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