Abeomics' Anti-CD27 Antibody (varlilumab biosimilar) (1F5) monoclonal antibody. The Anti-CD27 Antibody (varlilumab biosimilar) (1F5) was generated using CD27 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: EIA, Immunoassay, and ELISA.