Additional file 2.

The Selection of peptide length K. This file contains to parts: (1) runtime of the CVTree program with different K values; (2) tree with K values varied from 3 to 10. The results suggest that the tree with K = 7 is the best one.

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Wang et al. BMC Evolutionary Biology 2009 9:195   doi:10.1186/1471-2148-9-195