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. 2015 Jul 22;15:64. doi: 10.1186/s12896-015-0170-8

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© Lin et al. 2015

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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Fig. 2 — Electrophoresis profile of psTLR7. a: Electrophoresis of psTLR7. lane M, wide range DNA marker, lane 1–2, psTLR7 with the three conformations of open loop, close loop and superhelix. b: Double enzyme digestion of psTLR7. lane M, wide range DNA marker; lane 1, double digestion of psTLR7 by XhoI and HindIII; lane 2, double digestion of psTLR7 by SphI and KpnI