Creative Biolabs' Human Anti-HIV-1 gp120 Recombinant Antibody (clone IA3); Fab Fragment is a Human monoclonal antibody. The Human Anti-HIV-1 gp120 Recombinant Antibody (clone IA3); Fab Fragment was generated using env as the antigen. It reacts with Virus. This antibody has been shown to work in applications such as: EIA, Immunoassay, Block/Neutralize/Inhibit, and ELISA.