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. 2018 Nov 12;47(2):929–940. doi: 10.1093/nar/gky1153

Figure 6.

Figure 6.

Competition studies of ProXp-ala and YbaK with different tRNAs. Native mass spectra of ProXp-ala (left) and YbaK (right) with individual tRNAs and a mixture of tRNAPro, tRNAAla and tRNACys. Theoretical monoisotopic distribution plots for complexes (11+) of protein/tRNACys (orange), tRNAAla (pink), and tRNAPro (green) are overlaid on the experimental data (black). Peaks, which match with the theoretical plots are indicated with arrows. The peaks in the shaded colored region correspond to complexes (11+) of protein/tRNACys (orange), tRNAAla (pink), and tRNAPro (green) adducted by Mg2+, NH4+ and water.