Purity ~90% (SDS-PAGE). Cytokine that binds to CD27. Plays a role in T-cell activation. Induces the proliferation of costimulated T-cells and enhances the generation of cytolytic T-cells. Source: Recombinant protein corresponding to aa39-193 from human CD70, fused to His-Tag at N-terminal, expressed in Yeast. Molecular Weight: ~19.1kD AA