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. 2018 Oct 26;10(11):1193. doi: 10.3390/polym10111193

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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SDS-PAGE of fusion proteins tentatively expressed in E. coli BL21. lane M, protein molecular weight standards; lane 1, not containing the expression vector; lane 2, containing the expression vector pGEX-AgeI [18]; lane 3, containing the expression vector pGEX–AY(4); and lane 4, containing the expression vector pGEX–AY(8).