FIELD: microbiological and medicinal industries, molecular biology, biotechnology. SUBSTANCE: with the help of prepared plasmide pPR-TGATG-hIL-Iβ-tsr strain E. coli is obtained. Said strain produces human interleikin-1 b, its quantity being 5-10 mg per 1 g of humid cells or 10-12 of total cellular protein. Specific activity thus prepared interleikin is 2×108 IU per 1 mg of purified preparation. EFFECT: improves quality of desired product. 3 cl, 3 dwg
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Authors
Dates
1995-10-10—Published
1992-01-29—Filed