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. 2014 Aug 12;14:173. doi: 10.1186/s12862-014-0173-4

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Copyright © 2014 Verma et al.; BioMed Central Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Aromatic/arginine selectivity filter is novel in δ AQGPs. Superposition of selectivity filter residues from glycerol-transporting GlpF (brown; PDB ID: 1FX8) and one of the modeled fungal AQGP member from the δ subgroup (purple).