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. Author manuscript; available in PMC: 2008 Sep 17.
Published in final edited form as: J Proteome Res. 2007 Jan;6(1):114–123. doi: 10.1021/pr060271u

Figure 1.

Figure 1

Two approaches to peptide identification. The traditional approach based on comparing spectra to the database (red) vs. our approach based on de novo sequencing and fast database lookup (blue).