TABLE 5.

³¹P chemical shifts of nucleoside 3′(2′), 5′-bisphosphates

	Chemical shifta
Nucleoside bisphosphate	3′-P	2′-P	5′-P
pAdenosine3′p	4.883	—	4.589
pAdenosine3′(2′)p	4.885	4.302	4.590
pGuanosine3′(2′)p	4.922	4.134	4.577
p2,6-Diaminopurine3′(2′)p	4.995	4.284	4.643
p2-Aminopurine3′(2′)p	4.961	4.218	4.661
pIsoguanosine3′(2′)p	4.943	4.016	4.644
pPurine riboside3′(2′)p	5.127	4.331	4.637
pInosine3′(2′)p	4.971	4.205	4.612
p7-Deazaadenosine3′(2′)p	5.016	4.022	4.607
p7-Deazaguanosine3′(2′)p	4.973	3.997	4.561
p3-Deazaadenosine3′(2′)p	5.039	4.278	4.669
pXanthosine3′(2′)p	4.893	3.930	4.457
pCytidine3′(2′)p	4.806	4.312	4.556

^aSpectra were recorded in 0.84 M tetramethylammonium hydroxide (pH 10), 2 mM EDTA, 20% D₂O.