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a) A G-tetrad with observable H1-H1 (red) and H1-H8 (green) NOE connectivities. b) Schematic of the EPI-wtTel26 complex, with the wtTel26 sequence shown. c) EPI structure. d,e) 1H NMR imino regions of (d) EPI titration to wtTel26 with assignments of complex (asterisk) and free DNA (dot), and e) 1:1 EPI-complexes of 2-AP substituted wtTel26.
