Structure-based mechanism for activation of the AAA+ GTPase McrB by the endonuclease McrC

McrBC is a bacterial antiphage defense system that cleaves methylated DNA and is composed of the AAA+ GTPase motor McrB and the endonuclease McrC. Here, the authors present the cryo-EM structure of E. coli McrBC that reveals how McrC inserts a stalk-like structure into the pore of the ring-shaped Mc...

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Bibliographic Details
Main Authors: Neha Nirwan, Yuzuru Itoh, Pratima Singh, Sutirtha Bandyopadhyay, Kutti R. Vinothkumar, Alexey Amunts, Kayarat Saikrishnan
Format: Article
Language:English
Published: Nature Publishing Group 2019-07-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-019-11084-1