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. Author manuscript; available in PMC: 2010 Dec 22.
Published in final edited form as: Methods Mol Biol. 2010;608:121–136. doi: 10.1007/978-1-59745-363-9_8

Fig. 1.

Fig. 1

G-quartet showing H-bonding pattern and coordinated sodium ion in center. The figure shows a single G-quartet and is based on the coordinates of HuTel22 in PDB file 143D (1). The hydrogen bonding pattern is shown by the thin lines connecting the N and O atoms. The D-ribosyl phosphate moieties are shown on the periphery of the