Real Life Sciences manufactures Purified Sterile Human Recombinant Interferon Protein. Real Life Sciences is a research-driven, biotechnology-led, life sciences organization. Purified Sterile Human Recombinant Interferon Protein belongs to the class of interferons [IFNs] which are natural proteins produced by the cells of the immune system in response to foreign agents such as viruses, bacteria, parasites and tumor cells. Purified Sterile Human Recombinant Interferon Protein has 165 amino acids, with a molecular weight of 19 kDa. This protein is obtained by recombinant technology using Escherichia coli with an interferon alpha 2b gene from human leukocytes. It is used in the form of parenteral injection. It is available in the brand name of ReliFeron.