Real-time observation of DNA recognition and rejection by the RNA-guided endonuclease Cas9
Digvijay Singh, Samuel H. Sternberg, Jingyi Fei, Taekjip Ha, Jennifer A. Doudna
The paper uses single-molecule FRET to study how mismatches affect Cas9-RNA DNA binding and rejection kinetics, revealing that proximal mismatches lead to rapid rejection while distal mismatches allow stable complex formation.
Nature Communications · Sep 14, 2016Peer-reviewedBiophysics