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. 2009 Oct 22;284(51):35390–35402. doi: 10.1074/jbc.M109.064147

FIGURE 5.

FIGURE 5.

Schematic illustration of the major cleavage sites in the IgG1. H2O2-mediated cleavage of the hinge region, as indicated by the arrows, resulted in the generation of complementary ladders of C- and N-terminal hinge residues (Asp226, Lys227, Thr228, His229, and Thr230) and the release of the C1 and C2 fragments via a one radical per molecule cleavage mechanism (see text for details). Solid lines indicate disulfide bonds.