Table 1. NOESY Cross Peaks From the Major Tg H6 Species to Neighboring Protons.

major Tg6H6 cross peak	trans-5R,6R model distance (Å)	cis-5R,6S model distance (Å)	NOESY intensity (80 ms)	NOESY intensity (250 ms)
G5 H2′′	5.7	2.2	w	m
Tg6 H5′	4.5	3.3	s	s
G5 H1′	3.9	2.3	nd	m
G5 H8	7.1	6.1	nd	w
G5 H4′	6.8	5.4	nd	w