AntibodySystem's Anti-HIV1 Surface protein gp120 Nanobody (SAA0881) monoclonal antibody. The Anti-HIV1 Surface protein gp120 Nanobody (SAA0881) Antibody was generated using env as the antigen. It reacts with Virus. This antibody has been shown to work in applications such as: EIA, Immunoassay, and ELISA.