IMR Press / FBL / Volume 17 / Issue 6 / DOI: 10.2741/4038

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Open Access Article
Superfamily 2 helicases
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1 Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA

Academic Editor: Piero R. Bianco

editor  [ˈedɪtə(r)]  详细X
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n. 编辑;记者;剪辑师;编辑程序
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Editor: 编辑
text editor: 文本编辑器
Front. Biosci. (Landmark Ed) 2012, 17(6), 2070–2088; https://doi.org/10.2741/4038
Published: 1 June 2012
(This article belongs to the Special Issue DNA motor proteins - biochemical and biophysical studies)
Abstract

Superfamily 2 helicases are involved in all aspects of RNA metabolism, and many steps in DNA metabolism. This review focuses on the basic mechanistic, structural and biological properties of each of the families of helicases within superfamily 2. There are ten separate families of helicases within superfamily 2, each playing specific roles in nucleic acid metabolism. The mechanisms of action are diverse, as well as the effect on the nucleic acid. Some families translocate on single-stranded nucleic acid and unwind duplexes, some unwind double-stranded nucleic acids without translocation, and some translocate on double-stranded or single-stranded nucleic acids without unwinding.

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