Help wanted, antibiotic cassettes

Jackie Fetherston jdf at
Tue Apr 9 09:33:18 EST 1996

I am looking for antibiotic cassettes, i.e. antibiotic resistance genes that
 are flanked on either side by restriction sites so that
the whole gene can be inserted into the site of your choice.  I thought 
Pharmacia use to market them as Gene-Blocs or something like that.  I have
a kan cassette in pUC-4K and a cat gene but would like ampicillin. 

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