Table 4.

Type of inhibition and values of inhibition constant (K_I) for selected inhibitors.

Compound number	Single-stranded substrate		Double-stranded substrate
	Inhibition constant, KI, µM	Type of inhibition	Inhibition constant, KI, µM	Type of inhibition
4	0.3 ± 0.1	Mixed	0.2 ± 0.1	Mixed
6	7.9 ± 0.8	Noncompetitive	8.8 ± 0.9	Noncompetitive
7	0.9 ± 0.3	Mixed	0.3 ± 0.1	Mixed
10	1.7 ± 0.4	Mixed	3.1 ± 0.3	Mixed
11	0.2 ± 0.1	Mixed	0.3 ± 0.2	Mixed
21	0.3 ± 0.2	Mixed	0.4 ± 0.3	Mixed
41	0.6 ± 0.3	Uncompetitive	2.1 ± 0.5	Uncompetitive