Plasmids 101: E. coli Strains for Protein Expression
Type
Blog Post
... to accommodate high protein levels including:
ompT: Strains harboring this mutation are deficient in...proteins.
lon protease: Strains where this is completely deleted (designated lon or Δlon) similary reduce...IPTG-inducible strain containing T7 RNAP (DE3)
F- ompT lon hsdSB (rB- mB-) gal dcm (DE3)
General protein...vector cannot have p15A origin of replication
F- ompT lon hsdSB (rB- mB-) gal dcm (DE3) pLysS (CamR)
...vector cannot have p15A origin of replication
F- ompT lon hsdSB (rB- mB-) gal dcm (DE3) pLysE (CamR)
...which results in longer transcript half-life
F- ompT lon hsdSB (rB- mB-) gal dcm rne131 (DE3)
General...RNAP; IPTG may still be required for expression
F- ompT lon hsdSB (rB- mB-) gal dcm araB::T7RNAP-tetA
General...