Interferon Alpha-2

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** Interferon alpha-2 (188 aa, ~22 kDa) is encoded by the human IFNA2 gene. This protein is involved in antiviral defense, cell-cell signaling, and immune activation.

**Synonyms:** - Alpha-2-Interferon - Alpha-2a Interferon - IFN-Alpha-2 - IFN-AlphaA - IFNA2 - IFNA2 Protein - Interferon Alpha 2 - Interferon Alpha 2a - Interferon Alpha 2b - Interferon Alpha A - Interferon Alpha-A - LeIF A