Leading Biology's Factor XII (F12) Mouse Monoclonal Antibody [Clone ID: LBI2D12] is a Mouse monoclonal antibody. The Factor XII (F12) Mouse Monoclonal Antibody [Clone ID: LBI2D12] was generated using coagulation factor XII, and F12 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: Western Blot.