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Figure 4 | BMC Bioinformatics

Figure 4

From: Calibration of mass spectrometric peptide mass fingerprint data without specific external or internal calibrants

Figure 4

A:Histogram of pairwise peak-list similarities. In gray – raw data and similarities computed with an accuracy of ± 0.4Da. In red – similarities computed with accuracy of ± 0.15Da using LR/PR-TPS calibrated data. B: Strip chart of peak-lists. Grey triangles – masses after TPS-calibration, green circles – data after TPS-MST- calibration, red circles – data calibrated into the theoretical co-ordinate system, defined by theoretical tryptic autolysis masses (blue vertical lines.)

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