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. 2017 Nov 27;4:80. doi: 10.3389/fmolb.2017.00080

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Copyright © 2017 Molla.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Mode of binding of hDAAO ligands. Human DAAO in complex with (A) imino-DOPA, PDB code 2E82; (B) o-Aminobenzoate, PDB code 2E4A; (C) 3-hydroxy-2H-chromen-2-one, PDB code 3ZNP; (D) 3-(7-hydroxy-2-oxo-4-phenyl-2H-chromen-6-yl)propanoic acid, PDB code 4QFD. Left: detail of the active site. The ligand is in green and the FAD in orange. Dotted lines represent H-bonds and thick brown lines represent π-π interactions. Right: schematic view of ligand-protein interactions. Dotted lines represent H-bonds and π-π interactions. Pale orange dots represent hydrophobic contacts.