Phage T7 DNA mimic protein Ocr is a potent inhibitor of BREX defence. Issue 13 (9th June 2020) - Isaev, Artem; Drobiazko, Alena; Sierro, Nicolas; Gordeeva, Julia; Yosef, Ido; Qimron, Udi; Ivanov, Nikolai V; Severinov, Konstantin