In direct ELISAs and Western blots, less than 1% cross-reactivity with recombinant human Tryptase-G1, recombinant mouse (rm) MCPT-6, and rmMCPT-7 is observed. Reconstitute at 0.2 mg/mL in sterile PBS. Endoxin level is <0.10 EU per 1 μg of the antibody by