Nature Communications (Apr 2023)

Extended DNA threading through a dual-engine motor module of the activating signal co-integrator 1 complex

  • Junqiao Jia,
  • Tarek Hilal,
  • Katherine E. Bohnsack,
  • Aleksandar Chernev,
  • Ning Tsao,
  • Juliane Bethmann,
  • Aruna Arumugam,
  • Lane Parmely,
  • Nicole Holton,
  • Bernhard Loll,
  • Nima Mosammaparast,
  • Markus T. Bohnsack,
  • Henning Urlaub,
  • Markus C. Wahl

DOI
https://doi.org/10.1038/s41467-023-37528-3
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 14

Abstract

Read online

ASCC3 is a multi-functional helicase that contains two consecutive Ski2-like helicase units. Here, the authors show that ASCC3 can unwind DNA by threading one strand of a substrate duplex through both helicase units, supported by the TRIP4 protein.