Figure 2.
Western blot for γ3 heavy chain (IgG3) in serum from mice bearing zero (-/-), one (+/-), or two (+/+) wild-type (functional) γ3 heavy chain alleles by PCR genotyping assay. Lane 1, markers; 2-6, γ3 +/+; 7-8, γ3 +/-; 9-10, γ3 -/-.
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