Immune Checkpoint & Cell Surface

Immune checkpoint molecules, co-stimulatory receptors, and tumor-associated antigens

13 Products Available in Recombinant Proteins
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Z-Active® Technology — Our Proprietary Protein Expression Platform

All recombinant proteins in this collection are produced using our proprietary Z-Active® platform — a HEK293 mammalian expression system with chaperone-assisted folding that ensures proper disulfide bonding, native N-linked glycosylation, and physiologically relevant post-translational modifications. The result: 5–10× higher bioactivity compared to E. coli-derived alternatives.

HEK293 Expression

Mammalian cell expression preserves native protein folding, glycosylation patterns, and disulfide bonds — critical for accurate downstream assays.

Tag-Free Processing

Proprietary cleavage system removes affinity tags completely, eliminating tag interference in binding assays, cell-based studies, and in vivo experiments.

5–10× Higher Bioactivity

Chaperone-assisted folding produces correctly structured proteins with dramatically higher specific activity — validated by EC₅₀ assays against leading suppliers.

Showing 13 results