This is a knockout-validated antibody summary, based on the publication "Transfer of malignant trait to BRCA1 deficient human fibroblasts following exposure to serum of cancer patients", as cited below [1]. Labome curates formal publications to compile a list of antibodies with unambiguous specificity within Validated Antibody Database (VAD).

Rabbit polyclonal IgG
Company: Abcam
Antibody: BRCA1
Catalog number: ab191042
Summary: Rabbit polyclonal IgG against a recombinant fragment corresponding to human BRCA1 aa 1,661-1,863 (C terminal). Reacts with human, mouse and rat. Suitable for western blot and immunohistochemistry (paraffin). Predicted to work with dog, chimpanzee, Rhesus monkey, and gorilla.
Western blot
Control (empty vector transfected) and BRCA1-KO human fibroblasts. Cells were lysed in RIPA buffer containing protease inhibitors (Sigma, Oakville, Canada).
TBS containing 5 % non-fat dry milk.
Overnight at 4 °C.
Anti-rabbit peroxidase-conjugated secondary antibody for 1 h at room temperature.
Immobilon Western HRP Substrate (Millipore, Etobicoke, Canada).