Cloning and expression of plant leghemoglobin cDNA of Lupinus luteus in Escherichia coli and purification of the recombinant protein

作者: Michal M. Sikorski , Alexey F. Topunov , Pawel M. Stróycki , Constantin E. Vorgias , Keith S. Wilson

DOI: 10.1016/0168-9452(95)04125-E

关键词:

摘要: The yellow lupin leghemoglobin I gene (lbI) was cloned in the pET-3a vector. It overexpressed Escherichia coli BL21(DE3)pLysS cells, under control of T7 RNA polymerase promoter. recombinant LbI protein, containing E. derived heme, purified to homogeneity using ion exchange and gel filtration chromatography. protein has spectral immunochemical properties identical isolated from root nodules. identity between expressed polypeptide native also supported by microsequencing analysis N-terminus protein.

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