Aelst, Kara van; KAYARAT, SAIKRISHNAN; Szczelkun, Mark D.
(Oxford University Press, 2015-12)
The prokaryotic Type ISP restriction-modification enzymes are single-chain proteins comprising an Mrr-family nuclease, a superfamily 2 helicase-like ATPase, a coupler domain, a methyltransferase, and a DNA-recognition ...