Polyclonal Antibody. Reacts with mouse IgG1, IgG2a, IgG2b and IgG3. Source Goat. Applications FACS, ICC. Liquid. In PBS containing 0.02% sodium azide. The anti-IgG mouse, pAb R-PE is cross-absorbed against mouse IgM and IgA, pooled human sera and purified human paraproteins and affinity-purified on pooled mouse IgG covalently linked to agarose.