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. Author manuscript; available in PMC: 2013 Oct 16.
Published in final edited form as: Biochemistry. 2012 Oct 2;51(41):8143–8153. doi: 10.1021/bi3012115

Figure 5. S. aureus peptidoglycan chemical structure is a function of growth stage in SASM media.

Figure 5

15N CPMAS spectra of [ε-15N]Lys labeled peptidoglycan isolated from S. aureus cells at OD 0.7, OD 2, OD 3.6 and OD 4 (from left to right); Spectra are normalized to the amide peak. The amine peak at 10 ppm starts to appear at OD 2.0 (not obvious) and grows towards OD 4 (stationary phase). Spectra were acquired using the same condition as in Figure 4.