Table 1.

The absence of the measurable effect of addition of 10 μM oligoarginine on ionic conductance of planar lipid bilayers of different lipid compositions

			Trans monolayer
			DOBMP−	DPhPC	DOTAP+
Cis monolayer	DOBMP−	Control	0.06 ± 0.036 pA	0.09 ± 0.05 pA	0.08 ± 0.04 pA
		R9C 10 μM	0.06 ± 0.04 pA	0.10 ± 0.06 pA	0.075 ± 0.04 pA
	DPhPC	Control	0.12 ± 0.07pA	0.15 ± 0.055 pA	0.13 ± 0.06 pA
		R9C 10 μM	0.09 ± 0.06 pA	0.12 ± 0.06 pA	0.13 ± 0.05 pA
	DOTAP+	Control	0.08 ± 0.04 pA	0.13 ± 0.06 pA	0.23 ± 0.06 pA
		R9C 10 μM	0.07 ± 0.04 pA	0.13 ± 0.06 pA	0.25 ± 0.06 pA

Transmembrane currents through bilayers formed over a ∼70 μm diameter aperture in 0.15 M CsCl were measured in the absence and presence of oligoarginine from the cis side at 100 mV applied voltage. Standard error was calculated from 3 to 4 experiment replications.