Interleukin-15

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

**Definition:** Interleukin-15 (162 aa, ~18 kDa) is encoded by the human IL15 gene. This protein plays a role in the regulation of both proliferation and activation of both T-cells and natural killer cells.

**Synonyms:** - IL-15 - IL15 - IL15 Protein - Interleukin 15 - Interleukin-15 Precursor - MGC9721