BL21(DE3) is a protease-deficient E. coli expression strain carrying the T7 RNA polymerase system for high-level production from T7-promoter vector...

BL21(DE3)pLysS is a T7 expression strain in which the pLysS plasmid suppresses basal T7 RNA polymerase activity, making it useful for tightly contr...

HB101 is an E. coli K-12/B hybrid strain used for routine cloning, plasmid propagation and maintenance of many standard vectors. The cells are prep...

The DH10B-derived cloning background is suited to high-complexity plasmid libraries, genomic or cDNA libraries and large constructs. The igMax elec...

The DH10B-derived cloning background is suited to high-complexity plasmid libraries, genomic or cDNA libraries and large constructs. The electrocom...

The DH5α-type 5-alpha background is intended for routine cloning, subcloning, plasmid propagation and blue-white screening. The cells are prepared ...

ccdB Resist cells permit propagation of Gateway and other vectors that contain the otherwise lethal ccdB gene. The cells are prepared for electropo...

Stable 2 is an E. coli cloning strain optimized for unstable, repetitive or rearrangement-prone DNA, including retroviral or lentiviral sequences a...

XL1-Blue Max is a cloning strain used for routine and high-efficiency cloning, library construction, mutagenesis and blue-white screening. The cell...

Staphylococcus aureus RN4220 is a restriction-deficient laboratory strain used as an initial recipient for plasmid electroporation before transfer ...