Fig. 5.
![Fig. 5. Dependence of Ca2+ channel unitary current on Ba2+ concentration. Experiments were performed as in Fig 4 except that [Ba2+] in pipette solution D was varied as described in Materials and Methods. (A) Current tracings at 5, 10, 30, and 60 mmol/L Ba2+. Vp was at −20 mV. Each tracing represents a separate cell-attached patch. (B) Mean ± SE of unitary current amplitude at 5 mmol/L (n = 3), 10 mmol/L (n = 3), 30 mmol/L (n = 5), and 60 mmol/L (n = 3) Ba2+. Error bars are not shown if they fall within the boundaries of the symbol.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/89/1/10.1182_blood.v89.1.92/2/bl_0020f5.jpeg?Expires=1735544815&Signature=mxLtKTkI79hBNabut28nUOrMnhnlsvuL8c7l3ikabeXuFRUTiuj87njaeAVBDGhQn89itTL8qFHzB7ZdL1bN2~JHLEtBqB0qkKux5JNdZIOAEhySopXsaf1JfwVFycX5~7ua9v~zoEJOmUqxGtZrvgppjL5l~F2qqdrd3I7UYtdHYTau~ugdGiCTeiPB9ApivG2CnU0Zt4nwVyoT~4GFgbX1DZqerDNwncLy9AuyMlxyKtLqC5j58wHTHwFYbGGBM7WsZcPPs8B3nZomh8xs~VxXvKU-EnmQJN~CRadt~N2X4SNmHWsnq6wmDQeSUCmqyYy6OmhEHdtBarlj5NIVxw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Dependence of Ca2+ channel unitary current on Ba2+ concentration. Experiments were performed as in Fig 4 except that [Ba2+] in pipette solution D was varied as described in Materials and Methods. (A) Current tracings at 5, 10, 30, and 60 mmol/L Ba2+. Vp was at −20 mV. Each tracing represents a separate cell-attached patch. (B) Mean ± SE of unitary current amplitude at 5 mmol/L (n = 3), 10 mmol/L (n = 3), 30 mmol/L (n = 5), and 60 mmol/L (n = 3) Ba2+. Error bars are not shown if they fall within the boundaries of the symbol.
