Creative Biolabs' Human Anti-EFNA4 Recombinant Antibody (clone huE22); Fab Fragment is a Human monoclonal antibody. The Human Anti-EFNA4 Recombinant Antibody (clone huE22); Fab Fragment was generated using EFNA4, and Ephrin A4 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: EIA, Immunoassay, and ELISA.