Table 2.

Kinetics of toxin-induced cell death. LU, lethal units.

pathway	toxin protein	toxin concentration (molecules/cell)	time to kill 50% of population (min)	time to kill 98% of population (min)	reference
primary	K1	75 000	7	40	[35]
apoptotic	K1	2600	40	220	[38]
primary	K28	9.63 × 109	100	560	[35,51]
primary	K28	3.75 × 106	90	560	[35,51]
apoptotic	K28	2800	40	230	[38]
primary	PMKT2	28 000	120	570	[11]