Table 2. Affinity constants of mAbs for epsilon toxin.

mAb	koff (s–1)	kon (M–1s–1)	KD (M)
PεTX2	(1.0 ± 0.9) × 10−4	(1.0 ± 0.1) × 104	(9.6 ± 8.2) × 10−9
PεTX5	(1.1 ± 0.1) × 10−3	(1.2 ± 0.2) × 105	(9.8 ± 2.8) × 10−9
PεTX6	(1.2 ± 0.1) × 10−4	(6.2 ± 0.9) × 104	(1.9 ± 0.5) × 10−9
PεTX7	(7.0 ± 0.9) × 10−4	(2.0 ± 0.5) × 105	(3.7 ± 0.5) × 10−9
PεTX9	(1.3 ± 0.1) × 10−4	(6.1 ± 0.5) × 104	(2.1 ± 0.4) × 10−9