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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2009 Oct 29;21(3):323–337. doi: 10.1016/j.jasms.2009.10.013

Figure 8.

Figure 8

A: ESI MS of IFN/IFNAR1 interaction in the presence of excess IFN. Note that free IFNAR1 is absent from the spectrum (a reference mass spectrum of free IFNAR1 is shown in gray). B: ESI MS of NEM-IFN/IFNAR1 interaction in the presence of excess NEM-IFN. Note that both free NEM-IFN and IFNAR1 are present in the spectrum alongside the NEM-IFN·IFNAR1 complex.