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The POPPs: clustering and searching using peptide probability profiles
The POPPs is a suite of inter-related software tools which allow the user to discover what is statistically "unusual" in the composition of an unknown protein, or to automatically cluster proteins into families based on peptide composition. Finally, the user can search for related proteins based on peptide composition. Statistically based peptide composition provides a view of proteins that is, to some extent, orthogonal to that provided by sequence. In a test study, the POPP suite is able todoi:10.1093/bioinformatics/18.suppl_1.s38 pmid:12169529 fatcat:bh35svgugrbwvjzeebtidxctvy