Figure 3.

The effects of the inclusion in the 72 mmol/l Na⁺ pipette solution or in the NMDG-glutamate pipette solution of the GST–dn–ubiquitin (K48R) fusion protein (dn) and the GST–wt–ubiquitin fusion protein (wt) on the chord conductance measured at −80 mV of the amiloride-sensitive Na⁺ conductance.