A recombinant fragment of human IL5 protein corresponding to the mature protein sequence was used as the immunogen for the Interleukin 5 antibody.
Interleukin-5, or IL-5, was originally discovered as a soluble T cell-derived factor, called T cell-replacing factor (TRF), that induced T cell-depleted activated B cells to secrete immunoglobulin. Native IL-5 is a disulfide-linked homodimer. IL-5 is ini
