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Fig. 5 | BMC Bioinformatics

Fig. 5

From: CHICKN: extraction of peptide chromatographic elution profiles from large scale mass spectrometry data by means of Wasserstein compressive hierarchical cluster analysis

Fig. 5

Xnet and CHICKN clusters for UPS2GT dataset. Each of the four lines represent a series of chromatograms in the context of their Xnet and CHICKN Cluster. On the plot of the leftmost column, a series of chromatograms with similar shapes are represented in different colors (2 or 3) according to the distinct Xnet clusters they belong to. In the second column, each elution profile is represented with the same color, according to its m/z position, hereby illustrating that Xnet clusters similar signals in different clusters because of a too large m/z difference. The plot of the third column represents the CHICKN cluster which encompasses all the Xnets cluster profiles of the leftmost column (in green), as well as other signals (in gray) falling in the same CHICKN cluster, hereby illustrating CHICKN builds meaningful patterns irrespective of the m/z information that is essential to isotopic envelope construction. In the rightmost column, the m/z positions of the signals of the third columns, depicited with the same color code

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BMC Bioinformatics

ISSN: 1471-2105

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