Creative Biolabs' Rat Anti-CD8A Recombinant Antibody (clone YTS 105.18); Fab Fragment is a Rat monoclonal antibody. The Rat Anti-CD8A Recombinant Antibody (clone YTS 105.18); Fab Fragment was generated using CD8A as the antigen. It reacts with Mouse. This antibody has been shown to work in applications such as: Block/Neutralize/Inhibit.