Table I.

The Effects of Varied Loop Size on the Melting Temperature (T_m) of the Complexes of Circular Oligonucleotides with d(A)12 and with a 36mer Containing the d(A)₁₂ Sequence^a

circle	loop size (nt)	Tm of complex (°C)
		12mer substrate	36mer substrate
	3	49.2
	4	54.9	49.7
	5	58.6	56.2
	6	55.8	52.3
	10	54.1

^aSee text for 36mer sequence and for experimental conditions.