Hello All: I would like to know if anyone has or knows how to gte this Ecoli strain which proved to be good for periplasmic protein expression. Ecoli K12 SB 536. If not, which other strain is good for that? Thannks Much Dr. R. Depetris Weill Cornell Medical College _________________________________________________________________ See how Windows® connects the people, information, and fun that are part of your life http://clk.atdmt.com/MRT/go/119463819/direct/01/