Cas1 epistasis tunes conformational coupling to enhance CRISPR adaptation
H. T. Edwards, Christopher Cannon, Jack Braithwaite, Chalmers Ronald
The paper identifies a prespacer-coupling module in Cas1 that interacts with a conformational-coupling module, showing that epistatic interactions between substitutions enhance CRISPR adaptation activity.
bioRxiv · Aug 20, 2026 · PreprintBiochemistry