Table 3. Extension ratios (%).

		dCTP	TTP	dATP	dGTP
Template 1 (X = C)	KF (exo–)	1	6	89	96
	KF (exo+)	2	11	58	96
Template 2 (X = mC)	KF (exo–)	2	5	81	95
	KF (exo+)	3	11	64	96
Template 3 (X = fC)	KF (exo–)	2	13	66	94
	KF (exo+)	3	43	66	97
Template 4 (X = C)	KF (exo–)	3	11	46	92
	KF (exo+)	7	15	26	95
Template 5 (X = mC)	KF (exo–)	2	5	46	93
	KF (exo+)	7	14	37	94
Template 6 (X = fC)	KF (exo–)	3	23	71	93
	KF (exo+)	7	51	53	94