Tetramerisation of the CRISPR ring nuclease Csx3 facilitates cyclic oligoadenylate cleavage
S. Graham, S. Grüschow, T. M. Gloster, S. McQuarrie, M. F. White, J. S. Athukoralage
The paper identifies Csx3 as a ring nuclease that degrades cyclic tetra-adenylate (cA4), revealing its role in removing cOA molecules after viral infection.
bioRxiv · Apr 28, 2020Biochemistry