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. 2009 Oct 2;4(10):e7245. doi: 10.1371/journal.pone.0007245

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Nan 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) Overall structure of SMU.440 in cartoon representation. (B) SMU.440 homodimer has a twofold symmetry, the axis of which is indicated in black opal shape.