. 2019 Jul 10;11(7):401. doi: 10.3390/toxins11070401

Table 1.

Characteristics of fragaceatoxins.

Name	N-Terminal Sequence	Mass ^a	HC₅₀ (nM) ^b	Lag (s) ^c	υ_max (s⁻¹) ^c	T_M (°C)
FraA	SAEVAGAVIEGAKLTFNVLQ	19,728 ± 3	0.4 ± 0.02	31 ± 3	43 ± 4	65 ± 1
FraB	SAEVAGAIIDGASLTFDVLQ	19,672 ± 3	0.3 ± 0.02	17 ± 0.1	61 ± 1	62 ± 2
FraC ^d	SADVAGAVIDGAGLG	19,720 ± 3	1.6 ± 0.3	13 ± 0.4	60 ± 1	53 ± 3
FraD	SVAVAGAVIKGAALTFNILQ	19,721 ± 3	0.4 ± 0.3	7 ± 0.8	115 ± 11	47 ± 1
FraE	SADVAGAVIDGAGLGFDVLK	19,778 ± 3	1.6 ± 0.2	7 ± 1	106 ± 14	51 ± 1

^a Determined by mass spectrometry. ^b Values ± SE. ^c The values of lag time and υ_max were determined from three independent measurements employing 14 nM toxin (Figure 2b) ± SD. ^d The N-terminal sequence of FraC was previously reported [22].