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. 2013 Apr 23;8(4):e62027. doi: 10.1371/journal.pone.0062027

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© 2013 Youn 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) Monomer structure. NAMN is shown as gray sticks. The N- and C-lobes are shown in orange and wheat, respectively. (B) Ss-QAPRTase dimer structure. The other subunit is displayed in blue. (C) Dimeric interface. The residues interacting with N- and C-lobes of the other subunit are colored in purple and green, respectively.