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. 2014 Mar 19;9(3):e91800. doi: 10.1371/journal.pone.0091800

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© 2014 Sugumar 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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The α-helix is represented in red color, β-sheet by yellow arrows and loops by green lines. Acitve site is obtained by Q-siteFinder and shown in magenta color surface model.