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Dr. Barry Panaretou barry.panaretou at kcl.ac.uk
Tue Sep 14 14:28:13 EST 2004

I currently express heterologous protein in E.coli using the lac
promoter and IPTG. I need to express 3 other proteins at the same time,
but not to the same extent, as the synthetic burden on the bacteria
would be too great (the other 3 do not need to be overexpressed as they
will be modifying the original protein). Can anyone recommend a strong,
constitutively expressed bacterial promoter I could use for the 3 other




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