Helicase structure and mechanism - PubMed (original) (raw)
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Helicase structure and mechanism
Jonathan M Caruthers et al. Curr Opin Struct Biol. 2002 Feb.
Abstract
Structural information on helicase proteins has expanded recently beyond the DNA helicases Rep and PcrA, and the hepatitis C virus RNA helicase to include UvrB, members of the DEA(D/H)-box RNA helicase family, examples of DnaB-related helicases and RuvB. The expanding database of structures has clarified the structural 'theme and variations' that relate the different helicase families. Furthermore, information is emerging on the functions of the conserved helicase motifs and their participation in the mechanisms by which these proteins catalyze the remodeling of DNA and RNA in ATP-dependent activities.
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