Explore our collection of activity-verified recombinant proteins — every product functionally validated through cell-based proliferation, inhibition, or receptor-binding assays with lot-specific ED50/EC50 values reported on the CoA. Covering cytokines, growth factors, chemokines, immune checkpoint targets, and receptor proteins across human, mouse, rat, and cynomolgus species. Produced in HEK293, CHO, E. coli, insect, and yeast expression systems with ≥95% purity. Available in carrier-free, His-tagged, Fc-chimera, and biotinylated formats for cell culture, drug screening, SPR/BLI, and antibody development workflows. All products are designated Research Use Only (RUO). RUO
Why Choose abinScience Bioactive Proteins
Verified Bioactivity, Not Just Purity Every lot tested via cell-based functional assay. ED50/EC50 values reported on CoA — so you know the protein works before you design your experiment.
Ultra-Low Endotoxin & High Purity Typical ≤0.1 EU/µg verified by LAL assay. ≥95% purity confirmed by SDS-PAGE and SEC-HPLC — suitable for sensitive immune cell culture and in vivo studies.
Optimized for Functional Assays Carrier-free formulations with no BSA interference. Ideal for T-cell expansion, organoid culture, CAR-T development, SPR/BLI binding kinetics, and drug candidate screening.
Batch-to-Batch Consistency Stringent QC with <20% CV across production lots. Multiple tag options (His, Fc, biotin) and scalable from µg to mg quantities with global cold-chain shipping.
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