The Pab Rb x human PRSS21 (ESP1, TEST1, Testisin, Eosinophil Serine Protease 1, Serine Protease 21) (FITC) antibody from United States Biological is a Rabbit Polyclonal antibody to PRSS21. This antibody recognizes Homo Sapiens, Human, and Mouse antigen. The Pab Rb x human PRSS21 (ESP1, TEST1, Testisin, Eosinophil Serine Protease 1, Serine Protease 21) (FITC) antibody has been shown to work in the following applications: Western Blot.