IFN-alpha 2a, Human, a cytokine primarily produced by macrophages, displays robust antiviral activities. Its interaction with IFNAR2 is pivotal in mediating essential signaling pathways, contributing to intricate defense mechanisms against viral infections. IFN-alpha 2b/IFNA2 Protein, Human (HEK293, Fc) is the recombinant human-derived IFN-alpha 2b/IFNA2 protein, expressed by HEK293 , with C-hFc labeled tag.