Recombinant Mouse Interleukin-5 a non-covalently linked homodimer^ Recombinant Mouse Interleukin-5 (IL-5) a non-covalently linked homodimer, ing two 119AA chains, Activity: dose-dependent induction of TF-1 cell proliferation, typically less than 2 ng/mL, Source: E.coli, Synonym: TRF, 5ug