Provided below are ELISA kits targeting von Willebrand factor, a human protein encoded by VWF. This protein is 2813 amino acids long with a reported mass of 309.3 kDa. 2 isoforms have been identified. This is reported to be a secreted protein. There is a noted implication in von Willebrand disease 1. Other alias names for this protein include: coagulation factor VIII VWF, F8VWF, and VWD. ELISA kits are available that are reactive to human, mouse, rat, bovine, chicken, primate, guinea pig, fish, plant, and other mammalian variants of the target antigen.