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. 2009 Mar;133(3):257–262. doi: 10.1085/jgp.200810138

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© 2009 Bang and Hwang

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.jgp.org/misc/terms.shtml). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 3.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/3.0/).

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Figure 1. — Electrophilic TRPA1 ligands and the cysteine residues in TRPA1, which covalently bind to the ligands, leading to channel activation. Exogenous chemicals are listed at the top, and physiological ligands are listed at the bottom. The critical cysteine residues are indicated by circles (red, from mouse TRPA1; blue, from human TRPA1; purple, from both). EF, the location of the Ca²⁺-binding EF-hand domain.