Anti-Rabbit IgG kappa, AlpSdAbs® VHH is designed for detecting rabbit IgG IgG kappa chain specifically. Anti-Rabbit IgG kappa, AlpSdAbs® VHH is monovalent, recombinant single domain antibody derived from the variable regions of heavy chain of Alpaca pacous. Based on immunoelectrophoresis and/or ELISA, Anti-Rabbit IgG kappa, AlpSdAbs® VHH reacts with rabbit IgG kappa chain selectively, no reactivity with mouse, human, cynomolgus, rat, goat IgG. (6*his tag and one cys were added at the C terminal of the VHH),