专利名称：Process for the extraction and purification of
proteins from culture media producing them
发明人：Frans V. Wijnendaele,Daniel Gilles,Guy
Simonet
申请号：US07/042914申请日：19870427公开号：US04857317A公开日：19890815
摘要：The process is applicable to the supernatant of engineered yeast cellsdisrupted in the presence of a non-ionic detergent; it comprises the precipitation ofcontaminants by polyethylene glycol and the treatment of this latter supernatant witheither a bivalent metal cation or, after eventual ultrafiltration, with ammonium sulfate.
申请人：SMITHKLINE BIOLOGICALS
代理人：Carol G. Canter,Edward T. Lentz,Alan D. Lourie
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