Table 3 Bi-ionic solutions for determination of relative PCa / Px permeabilities (Figs. 3, 9).

From: Unique cysteine-enriched, D2L5 and D4L6 extracellular loops in CaV3 T-type channels alter the passage and block of monovalent and divalent ions

CaCI2

TEA-CI

HEPES

Externala

4

155

10

#

CsCI

NaCI

KCI

LiCI

EGTAb

TEA-CI

HEPES

Internalsc

1

100

0

0

0

10

10

10

2

0

100

0

0

10

10

10

3

0

0

100

0

10

10

10

4

0

0

0

100

10

10

10

  1. apH 7.4 with TEA-OH.
  2. bpH 7.2 with XOH where X = Cs, Na ,K, or Li.
  3. cpH 8.0 with XOH.