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. Author manuscript; available in PMC: 2011 Dec 17.
Published in final edited form as: ACS Chem Biol. 2010 Oct 5;5(12):1147–1155. doi: 10.1021/cb100195d

Figure 4.

Figure 4

MALDI-TOF mass spectra of streptavidin affinity-purified S. aureus cell wall extracts after treatment of both wild-type and SrtA-knockout strains with and without biotin-peptide hybrids 3 and 4.