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Molecularly Imprinted Polymer-Assisted Refolding of Lysozyme

机译:分子印迹聚合物辅助的溶菌酶复性

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For production of active proteins using heterologous expression systems,refolding of proteins from inclusion bodies often creates a bottleneck due to its poor yield.In this study,we show that molecularly imprinted polymer(MIP)toward native lysozyme promotes the folding of chemically denatured lysozyme.The MIP,which was prepared with 1 M acrylamide,1 M methacryhc acid,1 M 2-(dimemylarnino)ethyl methacrylate,and 5 mg/mL lysozyme,successfully promoted the refolding of lysozyme,whereas the non-imprinted polymer did not.The refolding yield of 90% was achieved when 15 mg of the MIP was added to 0.3 mg of the unfolded lysozyme.The parallel relationship between the refolding yield and.the binding capacity of the MIP suggests that MIP promotes refolding through shifting the folding equilibrium toward the native form by binding the refolded protein.
机译:对于使用异源表达系统生产活性蛋白而言,由于其收率差,蛋白质从包涵体中的折叠通常会造成瓶颈。在这项研究中,我们表明分子印迹聚合物(MIP)向天然溶菌酶的折叠促进了化学变性的溶菌酶的折叠。由1 M丙烯酰胺,1 M甲基丙烯酸,1 M 2-甲基二(二美拉宁诺)乙酯和5 mg / mL溶菌酶制得的MIP成功促进了溶菌酶的重折叠,而未印迹的聚合物则没有。将15 mg MIP加入0.3 mg展开的溶菌酶中可实现90%的重折叠收率。重折叠收率与MIP结合能力之间的平行关系表明MIP通过将折叠平衡移向MIP促进重折叠。通过结合重新折叠的蛋白质形成天然形式。

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