United States Biological's Pab Rb x human Osteonectin (ON, Basement-membrane Protein 40, BM-40, Secreted Protein Acidic and Rich in Cysteine, SPARC) (APC) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Pab Rb x human Osteonectin (ON, Basement-membrane Protein 40, BM-40, Secreted Protein Acidic and Rich in Cysteine, SPARC) (APC) antibody was generated using SPARC as the antigen and it reacts with Homo Sapiens, and Human.