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Explore the mass spectrometry data showing the relative ion abundance of AGPGA peptide fragments at various m/z values. Figures S8a and S8b depict the y3+ and b3+ ions with -H2O, b4+ and y3+ ions, b.-H2O, and b4+ and b3+ ions, respectively.
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229.9 100 90 80 70 60 243.9 100 Relative Abundance 50 90 80 40 70 60 354.0 340.0 Relative Abundance 30 50 282.9 40 211.9 268.9 20 30 20 10 10 225.8 0 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 m/z 0 180 200 220 240 260 280 300 320 340 360 380 400 420 440 120 140 160 m/z a AG(Aze)GA y3+ -H2O b3+ b4+ AGPGA y3+ b -H2O b4+ b3+ Figures S8a and S8b