Publisher： Springer Publishing Company
ISSN： 0951-208X
Source： Biotechnology Techniques, Vol.11, Iss.2, 1997-02, pp. : 85-89
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Abstract
A systematic study was carried out to optimize production of biologically active recombinant IGF-I with native conformation. Careful optimization of buffer carbonate, pH (9.5), protein concentration (0.5 mg/ml), temperature (25°C), and disulfide-exchange reagents (2 mM reduced glutathione/1 mM oxidized glutathione, 1 mM cysteine, 1 mM β-mercaptoethanol, and 2 mM dithiothreitol) allowed a yield of correctly folded recombinant IGF-I as high as 80%, which may be useful for large scale production of IGF-I.
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