The CD81 Antibody [1.3.3.22], Mouse IgG1 from ProSci, Inc Monoclonal antibody to CD81. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The CD81 Antibody [1.3.3.22], Mouse IgG1 has been validated for the following applications: Flow Cytometry, Immunofluorescence, Immunohistochemistry, and Western Blot.