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. Author manuscript; available in PMC: 2015 Oct 29.
Published in final edited form as: J Mol Biol. 2007 Mar 6;368(5):1321–1331. doi: 10.1016/j.jmb.2007.02.085

Figure 1.

Figure 1

Binding specificity of RF61. (a) Binding of RF61 IgM to human IgG subclasses by ELISA demonstrates that the binding specificity is IgG1~IgG2~IgG3>IgG4. (b) Inhibition by Staphylococcus aureus protein A (SpA) of RF61 IgM and RF-AN IgM binding to human IgG by competition ELISA. Whereas the binding of RF-AN to IgG is inhibitable by SpA, that of RF61 is not.