IFNA21, Official Symbol IFNA21provided by HGNC Official Full Name interferon alpha 21provided by HGNC Primary source HGNC:HGNC:5424 See related Ensembl:ENSG00000137080 MIM:147584; AllianceGenome:HGNC:5424 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as LeIF F; leIF-F; IFN-alphaI Summary This gene is a member of the alpha interferon gene cluster on the short arm of chromosome 9. Interferons are cytokines produced in response to viral infection that mediate the immune response and interfere with viral replication. The encoded protein is a type I interferon and may play a specific role in the antiviral response to rubella virus. [provided by RefSeq, Sep 2011] Orthologs all