I've had success with pet-Duet.

http://ecoliwiki.net/colipedia/index.php/pETDuet-1

Jason.

--
Jason Busby
PhD Student
Laboratory of Structural Biology
School of Biological Sciences
University of Auckland
Thomas Building 110
3a Symonds St
Private Bag 92019
Auckland  1142
New Zealand

ph:  +64 9 3737599 ext 84155
fx:  +64 9 3737414

On 17/07/2012, at 9:23 AM, Jerry McCully wrote:

Dear ALL,

         We are planning to co-express two proteins in E.coli.

        Could anyone suggest a good dual set plasmid or  a proper insertion 
sequence between two genes, including the Shine-Dalgarno sequence?

       Thank you very much and have a nice summer.

Jerry McCully

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