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. Author manuscript; available in PMC: 2011 May 2.
Published in final edited form as: Channels (Austin). 2010 MAY-JUN;4(3):203–214. doi: 10.4161/chan.4.3.11982

Figure 16.

Figure 16

Excised current-voltage relation for Rb currents through R128Y. Single channel Rb conductance was 10.2 pS. There was no obvious rectification of single-channel current in the absence of bath Mg and polyamines. Pipette: 100 mM RbCl, 0 Mg, 0 Ca, 0.5 mM LaCl3. Bath: 100 mM RbCl, 0 Mg, 0 Ca, 4 NaF, pH 9.