A census of anti-CRISPR proteins reveals AcrIE9 and AcrIE13 as inhibitors of the Escherichia coli K12 type IE CRISPR-Cas system - Dmitry Taranenko; Oksana Kotovskaya; Konstantin Kuznedelov; Daria Yanovskaya; Alina Demkina; Sofya Fardeeva; Viktor Mamontov; Kaiya Vierra; Nathaniel Burman; Dan Li; Minggui Wang; Blake Wiedenheft; et al. (Proceedings of the National Academy of Sciences, 2026)