The Human Anti-CD22 Recombinant Antibody (clone RFB4-PE38); Fab Fragment from Creative Biolabs is a Human Monoclonal antibody to CD22. This antibody recognizes Homo Sapiens, and Human antigen. The Human Anti-CD22 Recombinant Antibody (clone RFB4-PE38); Fab Fragment has been shown to work in the following applications: EIA, Immunoassay, ELISA, and Radioimmunoassay.