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. 2001 Aug 1;118(2):145–156. doi: 10.1085/jgp.118.2.145

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© 2001 The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

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A and B are the log-log representations for the calcium dependence of the extent and maximum fusion rate predicted for the neuronlike system with τ_α = 10 ms and τ_P = 7 ms. The n-calcium relationship was established using midpoint M = 10 μM and width W = 0.23 in the cumulative log-normal distribution. The straight lines are nth order fits to the linear portions of the curve (3–7 μM calcium); the extent and maximum rate are approximated by [Ca²+]^4.0 and [Ca²+]^3.9, respectively. C is the predicted calcium dependence for the time of the first fusion event (Lag) and the time to reach the maximum rate (T_peak).