Anti-CD21 Antibody [Q22-S] - Identical to Abcam (ab190511)

A rabbit monoclonal antibody raised against CD21, offered by Antibodies.com as a liquid preparation intended for immunohistochemistry applications. Clone Q22-S is of the IgG isotype and is supplied unconjugated, with reactivity confirmed against human samples. The antibody is recommended for both IHC-P and IHC-Fr use at dilutions of 1:100–1:200.

It was generated using a peptide immunogen derived from the C-terminal region of human CD21, and recognises the epitope between Ala1015 and Ala1032. The product is formulated in Tris Buffered Saline at pH 8.0, containing 20 mg/ml BSA and 0.05% sodium azide, and should be stored at 4°C. One scientific validation image supports its use in immunohistochemistry.