Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Transferase other than ribonuclease
Reexamination Certificate
2008-01-04
2010-06-08
Pak, Yong D (Department: 1652)
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Transferase other than ribonuclease
C435S004000, C435S006120, C435S015000, C435S069100, C435S071100, C435S252300, C435S320100, C435S440000, C536S023200
Reexamination Certificate
active
07732181
ABSTRACT:
The invention relates to modified neomycin phosphotransferase genes and their use in a selection method for high-producing recombinant cells. The invention further relates to expression vectors which contain a modified neomycin phosphotransferase gene and a gene of interest functionally linked to a heterologous promoter and a method of preparing heterologous gene products using these expression vectors.
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Bergemann Klaus
Enenkel Barbara
Fieder Juergen
Otto Ralf
Sautter Kerstin
Boehringer Ingelheim Pharma GmbH & Co. KG
Devlin Mary-Ellen M.
Lebel Edouard G.
Morris Michael P.
Pak Yong D
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