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. Author manuscript; available in PMC: 2008 Jul 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 Apr 6;18(7):1304–1317. doi: 10.1016/j.jasms.2007.03.028

Figure 3.

Figure 3

Intact E. coli ribosomal proteins from the (a) 30S subunit and (b) 50S subunit observed with MALDI-MS after incubation with protease for denoted time periods; (white bars) Trypsin and (black bars) Proteinase K.