In sandwich ELISAs, less than 0.2% cross-reactivity with recombinant human IL-2 and recombinant mouse IL-2 is observed. Reconstitute at 0.2 mg/mL in sterile PBS. Endoxin level is <0.10 EU per 1 μg of the antibody by the LAL method. Interleukin 2 (IL-2) i