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R&D Systems E. coli-derived Recombinant Human IL-2 Protein (202-IL) Quality control testing to verify active proteins with lot specific assays by in-house scientists
As an alternative, please consider our next generation Recombinant Human IL-2 (BT-002). It has equivalent bioactivity to Recombinant Human IL-2 (Catalog # 202-IL). It combines R&D Systems quality with scalability that allows for a solid supply chain. Both Recombinant Human IL-2 proteins are measured in a cell proliferation assay using CTLL 2 mouse cytotoxic T cells.

