$i$	(binding label)${}^{-1}$	(unbinding label)${}^{-1}$	${\kappa }_i$
$1$	274.7 $\pm$ 17.4	11.6 $\pm$ 0.78	0.042
$2$	366.6 $\pm$ 12.1	7.75 $\pm$ 0.34	0.021
$3$	158.9 $\pm$ 11.2	8.57 $\pm$ 1.18	0.054
$4$	397.0 $\pm$ 35.8	14.1 $\pm$ 1.06	0.036