E. coli BL21(DE3)

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instanceOf gptkb:Bacteria
gptkbp:antibioticResistance none (unless plasmid present)
gptkbp:contains DE3 lysogen
gptkbp:DE3_lysogen lambda prophage with T7 RNA polymerase gene
gptkbp:deficientIn proteases Lon and OmpT
restriction system
gptkbp:expressionSystem T7 RNA polymerase system
gptkbp:gene F- ompT hsdSB (rB- mB-) gal dcm (DE3)
gptkbp:growthTemperature 37°C
https://www.w3.org/2000/01/rdf-schema#label E. coli BL21(DE3)
gptkbp:mainVendors gptkb:Thermo_Fisher_Scientific
gptkb:NEB
Novagen
gptkbp:notableFeature easy transformation
high-level protein expression
low protease activity
gptkbp:organism gptkb:Bacteria
gptkbp:parentStrain gptkb:E._coli_BL21
gptkbp:plasmidCompatibility T7 promoter-based vectors
gptkbp:resistantTo T1 phage
gptkbp:T7_RNA_polymerase inducible by IPTG
gptkbp:usedFor protein expression
recombinant protein production
gptkbp:usedIn gptkb:biotechnology
molecular biology
synthetic biology
gptkbp:bfsParent gptkb:Escherichia_coli_B
gptkbp:bfsLayer 8