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. 2013 Dec 31;8(12):e84231. doi: 10.1371/journal.pone.0084231

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© 2013 Li et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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a) Model of hAS3MT-As. The distances between the As atom and S^C61, S^C156, S^C206 are marked. b) and c) model of hAS3MT-SAM-As. The distances between the As atom and the CH₃₋S⁺ of SAM, S^C61, S^C156, and S^C206 were determined. c) shows an enlargement of b).