. 2011 Jun 28;39(17):7848–7857. doi: 10.1093/nar/gkr489

Table 1.

Proton chemical shift^a (ppm) for 2Q at 25°C, pH 7.0, 1 M K⁺

	H₆/H₈	H₅/CH₃	NH	NH_2i^b	H_1'	H_2'	H_2''	H_3'	H_4'	H_5'/H_5''
C1	7.54	5.48			5.63	2.28	2.10	4.66	4.13	3.87–3.95
G2	8.14		11.56	9.82	6.09	2.72	2.96	5.10	4.49	4.18
G3	7.56		11.13	9.80	6.12	2.55	2.94	5.07	4.50	4.30
T4	7.03	0.72	9.40		5.84	2.24	2.46	4.92	4.34	4.25
G5	8.00		11.26	9.82	5.98	2.72	2.84	5.10	4.49	4.20–4.30
G6	7.73		11.05	9.81	6.27	2.58	2.71	4.98	4.52	4.11–4.25
T7	7.34	1.64			6.08	2.73	2.21	4.51	4.08	4.25

^aRelative to H₂O at 4.78 ppm.

^bNH_2i refers to the internal (i) H-bonded amino protons of guanosines.