Monoclonal Anti-Chk2 antibody produced in mouse is suitable for immunocytochemistry, immunohistochemistry (formalin-fixed, paraffin-embedded sections), microarray, immunoprecipitation and for immunoblotting at a concentration of 1-2 μg/mL using whole extract of cultured 293T cells. It was used for Chk2 immunoprecipitation experiments to study the engagement of the ATR-dependent DNA damage response at the human papillomavirus 18 replication centers during the initial amplification