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. 2015 Mar 4;5:8759. doi: 10.1038/srep08759

Figure 2. Comparison of signals of endogenous cytochrome P450 3A4/43, (b) 3A5, (c) 3A7, and (d) MDR-1 peptide and synthetic standard.

Figure 2

Ten μg hepatocyte protein extract was digested and spiked with 100 fmol synthetic standard. The samples were either analyzed by TXP-SRM or LC-SRM workflow. Ion chromatograms of the peptide fragments y3, y4 and y7 are shown.