Efficient prokaryotic expression system using portions of the E.

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Enzymatic production of a protein or polypeptide

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4351723, 435201, 435253, 435320, 435849, 536 27, 935 14, 530350, C12P 2100, C12N 1500, C12N 926, C12N 120, C12N 700, C07H 1512, C07K 1300

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047216719

ABSTRACT:
A novel highly effective prokaryotic expression system is exemplified specifically by being used to produce the useful enzyme .beta.-glucuronidase (BG). This system uses a hybrid plasmid comprising BG gene promotor DNA. The level of expression of BG by an E. coli K-12 derivative host is in the 50% of total cellular protein range. The invention expression system also can be used to express other useful proteins, as disclosed herein.

REFERENCES:
Hieber, Biochem. and Biophys. Res. Comm., 104(4):1271-1278, 1982, (Feb.).
Ashwell, G. (1962), Methods in Enzymol., 5:190-208.
Ritzenthaler, P. et al., (1983), Mol. Gen. Genet., 191:263-270.
Novel, M. and Novel, G., (1976), J. Bacteriol., 127:406-432.
Blanco, C. et al., (1982), J. Bacteriol., 149:587-594.
Clarke, L. and Carbon, J., (1976), Cell, 9:91-99.

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