【摘 要】
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A designed heparin-affinity of human Cu, Zn-SOD is described. The natural leader peptide of P.leiognathi Cu, Zn-SOD and a heparin-binding peptide containing a s
【机 构】
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Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education,The Jilin Province
论文部分内容阅读
A designed heparin-affinity of human Cu, Zn-SOD is described. The natural leader peptide of P.leiognathi Cu, Zn-SOD and a heparin-binding peptide containing a stretch of 7 Arg were fused to the N-terminal and the C-terminal of human Cu, Zn-SOD respectively. The resulted hybrid enzyme had not only a normal SOD activity but also a high affinity for heparin eluted on the heparin-Sepharose column at 0.4 mol/L NaCl. Some properties, such as the optimum pH, the thermostability and the half-life in the circulation of rats, were also analyzed.
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