Figure 9.
![Figure 9. Concentration dependence of the kinetics of spermidine block in the D172N mutant. (A) Single-channel currents recorded in the presence of 0.03, 0.1, and 0.3 µM [spermidine]i at +50 mV in the D172N mutant. (B) Histograms for the substate and blocked times. (C) Dose dependence of association and dissociation rates.](https://cdn.rupress.org/rup/content_public/journal/jgp/139/3/10.1085_jgp.201110736/4/jgp_201110736r_fig9.jpeg?Expires=1767805613&Signature=rofN1VPDDCmguZpzy4BzavrGwylYIte4f7umXGb3Xdt8PVJi-bTPUUNpJXbbJSxVd5fIbZSwMBGRGmGFOYlaCK9OC0LDRtQ1ZTlxdbEYYdABZysKeIVZdXvRAEbwowLIKH1U19bDXMzBLYNe~74rcvCA6Bmo8ZvCI53MBXlFZxIkBd-W3R3XifmdFrHPo3QsDEeAmaj9wXj6BFzwbm9sFBtHYijzU5YKrTOt4UBTyT-aaiDcpCKZypfaKIJbtEO-7-j9Lzt0M4vVLKrG-RoJ7vebHhUlp8EVKOwn9JIlT5QTmpF2gZ~sJHKHlHcDwmpPHKMi6ikW5YGMpI0B7u11gg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Concentration dependence of the kinetics of spermidine block in the D172N mutant. (A) Single-channel currents recorded in the presence of 0.03, 0.1, and 0.3 µM [spermidine]i at +50 mV in the D172N mutant. (B) Histograms for the substate and blocked times. (C) Dose dependence of association and dissociation rates.
