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. 2008 Aug 8;4(8):e1000148. doi: 10.1371/journal.pgen.1000148

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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Examples of a species with (A) strong consensus structures (S. cerevisiae), and (B) weakly conserved structures (human).