The CD55 ELISA kit can be used for capture of human CD55 protein in ELISA sandwich assays of cell lysates, serum, and other liquid biological samples. The kit includes mouse monoclonal anti-CD55 (CM033P) capture antibody and anti-CD55 (CM002D) Isotype IgG2a detection antibody along with anti-Mouse IgG2a specific:HRP (MS3221) secondary reagent.