This antibody shows 100% cross-reactivity with recombinant mouse (rm) DR3/TNFRSF25 and no cross-reactivity with recombinant human (rh) 4-1BB, rhCD27, rhCD30, rhCD40, rhDR6, rhBAFF R, rhFas, rhGITR, rhLTR beta, rhNGF R, rhOPG, rmOX40, rhRANK, rhTAJ, rhTNF