Table 2.

Free energies of confinement $\mathrm{\Delta }{f}_0$

Polymer	VDAC, kT	aHL, kT	OmpC, kT
PEG 200	0.46	−0.1	0.1, 0.3
PEG 3400*	12.2	—	8.5
PEG 3400†	8.0	8.3	—

^*Obtained from fitting to Eq. 12 as described in Fig. 5.

^†Obtained from fitting to Eq. 13 as described in Fig. 5.