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. 2000 Feb 1;115(2):93–106. doi: 10.1085/jgp.115.2.93

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© 2000 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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The second-order rate constants for the reaction of thiosulfonate reagents with receptors bearing different ring charges. The rate constants for the reactions at zero transmembrane potential are plotted for MTSEH (A), MTSEA (B), and AEAETS (C) applied both in the absence (filled symbols) and presence (unfilled symbols) of ACh. The correspondence between symbols and subunit combinations is the same as in Fig. 2. The lines are the linear least-squares fits.