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. 2005 Jun 28;33(11):3691–3697. doi: 10.1093/nar/gki690

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© The Author 2005. Published by Oxford University Press. All rights reserved

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Part of ROESY spectra (τ_m =140 ms) of d(G₃T₄G₄)₂ at 25°C in the presence of 20 mM ¹⁵NH₄Cl (a) showing cross-peaks between bound ${}^{15}{NH}_{4}^{+}$ and nearby imino protons and in the presence of 20 mM ¹⁵NH₄Cl and 2 mM KCl (b). Cross-peak designated with asterisk in (a) corresponds to G2(NH) and G12(H8) correlation.