期刊
PROTEIN AND PEPTIDE LETTERS
卷 13, 期 6, 页码 611-615出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/092986606777145760
关键词
halophilic; porin; protein expression; nucleoside diphosphate kinase; beta-lactamase; reporter gene
Enzymes from extremely halophilic archaea require high concentration of salts for their proper folding and consequently are expressed as an unfolded and inactive form in Escherichia coli. Moderate halophile, which accumulates protein stabilizers, i.e., compatible solutes, is an attractive host cell for the recombinant production of heterologous proteins, since such protein stabilizers may help folding of expressed proteins. Here, we succeeded in efficient expression and purification to homogeneity of recombinant haloarchaeal nucleoside diphosphate kinase (HsNDK) in moderate halophile using newly isolated strong porin promoter.
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