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. 2000 Aug 7;150(3):527–538. doi: 10.1083/jcb.150.3.527

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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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Effects of ActA deletion derivatives and the Arp2/3 complex on the kinetics of actin polymerization. (a–d) Graphs of fluorescence intensity versus time after initiating polymerization in the pyrene-actin polymerization assay. (a–c) 2 μM actin in the presence or absence of 20 nM Arp2/3 complex and 20 nM ActA derivatives. (d) 2 μM actin in the presence or absence of 20 nM Arp2/3 complex and 200 nM ActA derivatives.