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Comparison of RF61 and RF-AN complexes with human IgG Fc. The complexes of RF61 Fab and IgG1 Fc (this paper) and RF-AN Fab with IgG4 Fc15 are viewed with the Fc regions in a similar orientation (colored as in Figure 2). The very different locations of the epitopes and orientations of the Fabs are apparent. (Figure produced by MolScript39).
