| Code | CSB-AP004711HU |
| Abbreviation | Recombinant Human IL2 protein (L100F,R101D,L105V,I106V,I112F) (Active) |
| MSDS | |
| Size | $96 |
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This engineered IL-2 variant carries five point mutations within the mature protein sequence (aa 21–153) designed to modulate receptor selectivity, making it a valuable tool for dissecting differential IL-2 signaling through the high-affinity versus intermediate-affinity receptor complexes. Functional validation confirms robust signaling potency, with an ED50 of 151.39 pg/ml in a CTLL-2 cytotoxic T cell proliferation assay, supporting use in T cell activation and proliferation studies, JAK/STAT pathway dissection, and as a reference standard in cytokine detection assays. Endotoxin levels below 1.0 EU/μg minimize LPS-driven artifacts, which aligns with standards expected in primary immune cell cultures and in vivo tumor biology models where confounding innate immune activation must be controlled. Expressed in mammalian cells with a C-terminal 6xHis tag, this protein provides greater than 95% purity by SDS-PAGE, satisfying the criteria typical for antibody development workflows including ELISA coating and functional screening.
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