. Author manuscript; available in PMC: 2010 Jul 15.

Published in final edited form as: J Am Chem Soc. 2009 Jul 15;131(27):9490–9491. doi: 10.1021/ja903244s

Table 1.

Average chemical shift tensor values for imino ¹⁵N in Watson-Crick base-paired nucleotides.^a

	β,°	δ₁₁, ppm	δ₂₂, ppm	δ₃₃, ppm
G:N₁	13.1±1.4	77.9±1.7	-12.4±2.2	-65.5±2.5
U:N₃	11.4±2.4	68.5±1.6	2.3±2.9	-70.8±3.2

Using r_NH^eff =1.043 Å for G and r_NH^eff =1.057Å for U.