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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Prog Biophys Mol Biol. 2015 Jan 20;117(0):166–173. doi: 10.1016/j.pbiomolbio.2015.01.001

Figure 3. Domain organization of the RecG DNA helicase.

Figure 3

(A), a ribbon diagram showing the three domains of RecG (details in the text). The positions of the wedge sub-domain and N-terminal extension, present in T. maritima RecG but not E.coli, are indicated. (B), a ribbon diagram of RecG (orange) bound to a model fork substrate. The position of the ATP sandwiched between domains II and III is highlighted in red. (C), T. maritima RecG is represented as a Connelly surface. The N-terminal extension is coloured brown; the wedge and linker region are coloured orange and the helicase domains are blue. The TRG motif is coloured in red. (D), T. maritima RecG is represented as a Connelly surface and is coloured orange. The N-terminal extension is indicated. The view of the protein is rotated 90° relative to that in panel B.