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Figure 2 | BMC Cancer

Figure 2

From: MRM screening/biomarker discovery with linear ion trap MS: a library of human cancer-specific peptides

Figure 2

Charts that illustrate the impact of protein size on likelihood of detection. (A) Chart illustrating the distribution of observable (theoretical) tryptic peptides as a function of protein MW, for the set of 1,572 proteins; (B) Chart illustrating the ratio of the experimental percentage of identified proteins to the theoretical percentage of proteins vs. the number of amino acids in a protein. The experimental protein percentages were calculated relative to the total number of identified proteins, and the theoretical percentages were calculated relative to the total number of proteins in the SwissProt database.

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