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Figure 2 | Epigenetics & Chromatin

Figure 2

From: Global turnover of histone post-translational modifications and variants in human cells

Figure 2

Tandem mass spectrometry (MS/MS) spectrum of labeled lysine peptide. MS/MS of the H3 73-83 peptide unmodified on K79 and labeled with 13C615N2-lysine isotope. Underlined nominal masses above and below the sequence denote the b and y ions respectively that were annotated from the spectrum. The expected and observed mass to charge ratio (m/z) for the [M+2H+]2+ precursor ion is provided. pr = Propionyl (heavy, D5-labeled).

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