Article
NMR study of the Z-DNA binding mode and B-Z transition activity of the Zα domain of human ADAR1 when perturbed by mutation on the α3 helix and β-hairpin.
Archives of biochemistry and biophysics - 15 Sept 2014
Jeong Minjee, Lee Ae-Ree, Kim Hee-Eun, Choi Yong-Geun, Choi Byong-Seok, Lee Joon-Hwa
Abstract excerpt
The Zα domains of human ADAR1 (ZαADAR1) bind to Z-DNA via interaction mediated by the α3-core and β-hairpin. Five residues in the α3 helix and four residues in the β-hairpin play important roles in Zα function, forming direct or water-mediated hydrogen bonds with DNA backbone phosphates or interacting hydrophobically with DNA bases. To understand the roles of these residues during B-Z transition of duplex DNA, we...
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