TABLE 3.

Summary of estimated pore size of cysteine mutants and wild-type claudin-2

Mutation	Pore diameter		R2
	Best fit value	95% confidence interval
	Å
Wild type	6.5	[6.1, 7.4]	0.75
T32C	6.6	[6.1, 7.5]	0.90
G37C	6.7	[6.6, 6.8]	1.00
G45C	6.6	[6.2, 7.3]	0.85
S47C	6.4	[6.1, 6.7]	0.90
M52C	6.5	[6.1, 6.9]	0.96
T56C	7.3	[6.3, 10.2]	0.75
S58C	7.2	[6.6, 8.0]	0.83
T62C	6.4	[6.2, 6.7]	0.97
I66C	6.4	[6.1, 6.9]	0.94
S68C	7.0	[6.2, 9,2]	0.78