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. 2013 Jan 25;8(1):e53785. doi: 10.1371/journal.pone.0053785

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© 2013 Morgan, Rubenstein

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) The 28-amino-acid motif (TWEAZR) repeated 32 times in ZNF729. (b) Ribbon cartoon showing the likely structure of the conserved zinc finger motif based on homology with similar zinc finger structures. The cysteine residues are marked in green, the histidine in blue, and the proline in red. We propose that cis-trans isomerization of the proline can move the downstream portion of the zinc finger domain and alters the contact of some residues with specific nucleic acids. (c) The logo for the TWEAZR motif in ZNF729.