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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Curr Protoc. 2021 Apr;1(4):e80. doi: 10.1002/cpz1.80

Figure 12.

Figure 12.

Confirmation of MurNAc-alk incorporation into H. pylori PG. A.-D. are four ion traces. A. and C. correspond to total ion chromatograms for the control and labeled muropeptide digests respectively. B. and D. correspond to mass extracted ion chromatograms for the same control and labeled muropeptide digests set to monitor for the predicted 2+ dimer ion mass (m/z = 985.92) eluting around 40 min and shown in E. The presence of the MurNAc-alk pentapeptide-tetrapeptide muropeptide dimer (D.) is indicated (black arrow).