THE UNFOLDING AND REFOLDING OF PIG-HEART FUMARASE

被引:35
作者
KELLY, SM
PRICE, NC
机构
关键词
D O I
10.1042/bj2750745
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The unfolding of pig heart fumarase in solutions of guanidinium chloride (GdnHCl) has been examined. Loss of activity occurs at lower concentrations of GdnHCl than the structural changes detected by fluorescence or c.d. After denaturation, regain of activity can be observed provided that a reducing agent (dithiothreitol) is present and that the concentration of GdnHCl is lowered by dialysis rather than by dilution. The regain of secondary structure occurs with high efficiency even when little or no activity is recovered.
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页码:745 / 749
页数:5
相关论文
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