Process for recovering polypeptides localized in the periplasmic

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Using a micro-organism to make a protein or polypeptide

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435183, 435206, 530424, C12P 2100, C12N 900, C12N 936, C07K 302

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active

051242567

ABSTRACT:
The invention relates to a process for releasing into aqueous medium polypeptides produced by yeasts and localized at least partially within the periplasmic space thereof without breaking the yeast cell. The process involves treating the yeasts in aqueous medium with a neutral water-soluble mineral salt and a non-ionic water-soluble polyethoxylated alkylphenol surfactant having an HLB of between 8 and 15.

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Schwencke et al., Eur. J. Biochem 21:137-143 (71) The Release of Extracellular Enzymes from Yeast by "Osmotic Shock".
G. L. Stetler et al. BIO/TECHNOLOGY, vol. 7, pp. 55 to 60, Jan. 1989 "Secretion of Active, Full-and Half-Length Human Secretory Leukocyte Protease Inhibitor by Saccharomyces Cerevisiae".

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