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. Author manuscript; available in PMC: 2019 Jun 25.
Published in final edited form as: J Am Chem Soc. 2019 Feb 20;141(9):3910–3919. doi: 10.1021/jacs.8b12087

Figure 4.

Figure 4.

a) Effect of antibiotics on S. aureus membrane permeability as measured by SYTOX green nucleic acid stain in the presence and absence of 100 mM calcium. b) Effect of antibiotics on the accumulation of UDP-MurNAc-pentapeptide in S. aureus cultures both in the presence and absence of 100 mM calcium.