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The scaffold output of oxidized apolipoprotein A1 after the addition of 5% H2O2 after MudPIT experiment. We highlight peptide LSPLGEEMR (M148) and the relative abundance of the induced M148 oxidation (+16Da). Yellow highlighted peptides are the ones found in our sample. Green W (tryptophans) and M (Mets) are oxidized. The box on the left indicates that 30 peptides with +16 Da modifications were identified with 95% confidence based on the scaffold algorithm.
