This secondary conjugate recognizes YOUR primary antibody. Alpaca-ZAP is a chemical conjugate of goat anti-alpaca IgG (VHH domain) and the ribosome-inactivating protein, saporin. The antibodies used to make Alpaca-ZAP mouse are affinity-purified against the heavy chain of alpaca IgG (VHH domain). The antibody used in this product reacts with the VHH domain of heavy chain (HC) alpaca IgG, sublcasses 2 and 3, and with the VHH domain of llama IgG, subclasses 2 and 3. It also reacts with whole molecule alpaca and llama IgG1. Alpaca-ZAP is made with a goat anti-alpaca IgG (VHH domain) secondary antibody.