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. 2007 May 25;93(4):1151–1162. doi: 10.1529/biophysj.107.108795

FIGURE 5.

FIGURE 5

Multicomponent closed-time distributions of the IP3R channel result in “burst-like” behavior. (A) Closed-time distributions at [Ca2+] = 0.2, 2.0, and 50 μM for [IP3] = 10 μM. Open symbols are stochastic simulations and solid curves are from the transition matrix theory. (B) Two examples of the fluctuation in average channel open probability within a 100-m-running window, respectively, for [Ca2+] = 0.1 and 100 μM and [IP3] = 10 μM.