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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Anal Chem. 2010 Aug 1;82(15):6559–6568. doi: 10.1021/ac100910a

Figure 8.

Figure 8

Illustration of the influence of choice of amino acid on likelihood of peptide identification. A set of four bar graphs is assigned to each site for each library. The leftmost bar represents all peptides at equal abundance in a library. The second bar reflects the preference in detection for cumulative peptide identifications after five replicates. The third bar is based on peptides identified in a randomly selected replicate. The fourth bar represents the amino acid preference observed for peptides identified in all five replicates.