In direct ELISAs, less than 10% cross-reactivity with recombinant human (rh) Kallikrein 1, rhKallikrein 3, rhKallikrein 5, and rhKallikrein 9 is observed. Reconstitute at 0.2 mg/mL in sterile PBS. Hippostasin, also known as KLK11, is a kallikrein-like se