The Pab Rb x human BLK (Tyrosine-protein Kinase Blk, B Lymphoid Tyrosine Kinase, p55-Blk) (APC) antibody from United States Biological is a Rabbit Polyclonal antibody to Blk. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human BLK (Tyrosine-protein Kinase Blk, B Lymphoid Tyrosine Kinase, p55-Blk) (APC) antibody has been shown to work in the following applications: Western Blot.