DHFR or GS amplif.expr.mammal.vectors

[Robert Kuhelj]

hi there,

where could I get a mammalian expression vector having DHFR or glutamine
sintase gene (amplification!)?

any commercial vector available?
anybody so kind to give me the vector as a gift?

thanks
 
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Robert Kuhelj                 Jozef Stefan Institute
                              Department of Biochemistry and Molecular Biology
                              Ljubljana
robert.kuhelj at ijs.si          Slovenia
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