United States Biological's Pab Rb x human F2 (Coagulation Factor II, Prothrombin) (Biotin) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Pab Rb x human F2 (Coagulation Factor II, Prothrombin) (Biotin) antibody was generated using F2 as the antigen and it reacts with Homo Sapiens, and Human.