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Labeling reagents
Protein A
Recombinant Protein A Conjugates
Protein A binds to the Fc domain of IgG’s from most mammals. When conjugated to biotin or fluorescent dyes, it can be used as a universal detection reagent for primary antibodies.
Case study
Figure : 3T3 cells stained with Rabbit anti-Tubulin IgG followed by Protein A-HiLyte™ Fluor 488 (A) and Protein A-HiLyte™ Fluor 647 (B).