Article
Functional coupling of duplex translocation to DNA cleavage in a type I restriction enzyme.
PloS one - 1 Jan 2015
Csefalvay Eva, Lapkouski Mikalai, Guzanova Alena, Csefalvay Ladislav, Baikova Tatsiana, Shevelev Igor, Bialevich Vitali, Shamayeva Katsiaryna, Janscak Pavel, Kuta Smatanova Ivana, Panjikar Santosh, Carey Jannette, Weiserova Marie, Ettrich Rüdiger
Abstract excerpt
Type I restriction-modification enzymes are multifunctional heteromeric complexes with DNA cleavage and ATP-dependent DNA translocation activities located on motor subunit HsdR. Functional coupling of DNA cleavage and translocation is a hallmark of the Type I restriction systems that is consistent with their proposed role in horizontal gene transfer. DNA cleavage occurs at nonspecific sites distant from the...
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