Table 1 Effects of KCNE3L, KCNE4L and KChIP2 on Kv4.2 Inactivation recovery kinetics.

From: Regulation of human cardiac potassium channels by full-length KCNE3 and KCNE4

Subunits

τfast (ms)

Afast

τslow (ms)

Aslow

Chi2

Kv4.2

344 ± 50

0.41 ± 0.13

809 ± 104

0.48 ± 0.13

<0.005

Kv4.2 + E3L

423 ± 200

0.43 ± 0.46

978 ± 450

0.48 ± 0.46

<0.005

Kv4.2 + E4L

309 ± 123

0.16 ± 0.06

fixed at 800

0.67 ± 0.07

<0.005

Kv4.2-KChIP2

37 ± 3.1

0.94 ± 0.07

248 ± 444

0.06 ± 0.07

<0.005

Kv4.2-KChIP2 + E3L

50 ± 3.2

0.89 ± 0.05

345 ± 232

0.1 ± 0.05

<0.005

Kv4.2-KChIP2 + E4L

65.9 ± 13.7

0.87 ± 0.39

152 ± 168

0.16 ± 0.01

<0.005

  1. Fits were made to mean data and therefore P values are not available for comparisons between groups, but Chi2 values are given to indicate goodness of fit. For graphs of fits see Fig. 7.
Back to article page