Bio-technology General Corporation

Daniel Bartfeld

Jacob R Hartman

Dov Kanner

A method of producing enzymatically active eucaryotic superoxide dismutase or an analog thereof in a bacterial cell which contains and is capable of expressing a DNA sequence encoding the superoxide dismutase or analog thereof comprising maintaining the bacterial cell under suitable conditions and in a suitable production medium. The production medium is supplemented with an amount of Cu++ so that the concentration of Cu++ in the medium is greater than about about 2 ppm. The invention also concerns methods of recovering purified enzymatically active eucaryotic superoxide dismutase or analogs from bacterial cells producing the superoxide dismutase or analog.

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Nes Ziona, Israel

Daniel Bartfeld