3.6.1.54 - 3.6.1.54 expressed in E. coli strain BL21(DE3) and Bordetella pertussis strain B213 3.6.1.54 expressed in Escherichia coli BL21 (DE3) cells 3.6.1.54 expressed in Escherichia coli BL21(DE3) cells 3.6.1.54 expressed in Escherichia coli BL21(DE3)Star cells 3.6.1.54 expressed in lpxh-deficient Escherichia coli CcI 21b cells 3.6.1.54 lpxH overexpression is toxic to cells